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occidentalis, Taxa Only, Exact Match: 679 Treatments

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Pseudonezumia occidentalis     Love, Milton S., Bizzarro, Joseph J., Cornthwaite, Maria, Frable, Benjamin W. & Maslenikov, Katherine P., 2021, Checklist of marine and estuarine fishes from the Alaska-Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico, Zootaxa 5053 (1), pp. 1-285 : 78 78
Sambomorpha occidentalis     Pérez-Hernández, Cisteil Xinum, 2017, An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico, Zootaxa 4288 (1), pp. 1-128 : 22 22
Stenelmis occidentalis     Pérez-Hernández, Cisteil Xinum, 2017, An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico, Zootaxa 4288 (1), pp. 1-128 : 47 47
Macropoides crassipes subsp. occidentalis     Pérez-Hernández, Cisteil Xinum, 2017, An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico, Zootaxa 4288 (1), pp. 1-128 : 103 103
Distaplia occidentalis     Lambert, Gretchen, 2019, The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz, Zootaxa 4657 (3), pp. 401-436 : 412-413 412-413
Compsothespis occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 25 25
Atractomorpha occidentalis     Roy, Roger, 2003, Les Acridiens du Nimba et de sa région, Mémoires du Muséum national d'Histoire naturelle 190, pp. 311-392 : 322 322
Pelidnota micobalaguerae subsp. occidentalis     Moore, Matthew R., Jameson, Mary L., Garner, Beulah H., Audibert, Cedric, Smith, Andrew B. T. & Seidel, Matthias, 2017, Synopsis of the pelidnotine scarabs (Coleoptera, Scarabaeidae, Rutelinae, Rutelini) and annotated catalog of the species and subspecies, ZooKeys 666, pp. 1-349 : 1 1
Celtis occidentalis     Konrad Lauber, Gerhart Wagner & Andreas Gygax, 2018, Flora Helvetica - Cannabaceae, Flora Helvetica, Bern: Haupt Verlag, pp. 230-230 : 230 230
Aubria occidentalis     Miracle, Eulàlia Gassó, Van, Lars W., Ostende, Den Hoek & Arntzen, Jan Willem, 2007, Type specimens of amphibians in the National Museum of Natural History, Leiden, The Netherlands, Zootaxa 1482, pp. 25-68 : 30 30
Blastopsylla occidentalis     Halbert, Susan E. & Burckhardt, Daniel, 2020, The psyllids (Hemiptera: Psylloidea) of Florida: newly established and rarely collected taxa and checklist, Insecta Mundi 2020 (788), pp. 1-88 : 25 25
Plagiorchiida   new species  Szidat, L., 1944, Weitere Untersuchungen uber die Trematodenfauna einheimischer Susswasserfische. ii. Mitteilung. Die Gattung Sphaerostomum (Stiles and Hassall, 1898) Looss, 1899 und Verwandte., Zeitschrift für Parasitenkunde 13, No. 2, pp. 183-214 : 202 202
Pseudohydromys occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Muridae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 1189-1531 : 1453 1453
Ocnerodrilus occidentalis     Feijoo, Alexander & Lavelle, Patrick, 2023, New species and records of earthworms (Annelida, Oligochaeta: Crassiclitellata) in small holder farming systems in the Peruvian Amazon, Zootaxa 5255 (1), pp. 157-170 : 168 168
Dactylorhiza majalis subsp. occidentalis     D. M. Moore (ed.), 1980, CCIII Orchidaceae, Flora Europaea, Vol 5: Alismataceae to Orchidaceae, Camebridge: Cambridge University Press, pp. 325-350 : 335 335
Ocnerodrilus occidentalis     Plisko, Jadwiga D. & Nxele, Thembeka C., 2015, An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae), African Invertebrates 56 (3), pp. 663-663 : 702 702
Hakiulus occidentalis     Keller, Oliver, Dunn, Ann & Soto-Adames, Felipe, 2023, An annotated catalog of the primary type material of Myriapoda deposited in the Florida State Collection of Arthropods in Gainesville, FL, USA, Zootaxa 5293 (2), pp. 230-250 : 236 236
Stenobothrus occidentalis     Hollier, John, 2012, An annotated list of the Orthoptera (Insecta) species described by Henri de Saussure, with an account of the primary type material housed in the Muséum d’histoire naturelle de Genève, Part 3: The Acridoidea excluding the Acrididae: Oedipodinae, Revue suisse de Zoologie 119 (3), pp. 303-339 : 325-326 325-326
Passalus (Pertinax) occidentalis   stat. nov.  Bevilaqua, Marcus & Fonseca, Claudio Ruy Vasconcelos da, 2020, Redescription of the species of Passalus Fabricius, 1792 (Coleoptera: Passalidae) described by Walter Douglas Hincks (1906 - 1961) deposited in the Museum of the University of Manchester, Journal of Natural History 54 (5 - 6), pp. 321-350 : 331-336 331-336
Gonamytta occidentalis     Naskrecki, Piotr & Guta, Ricardo, 2019, Katydids (Orthoptera: Tettigoniidae) of Gorongosa National Park and Central Mozambique, Zootaxa 4682 (1), pp. 1-119 : 31 31
Paraphotina occidentalis     Rivera, Julio & Vergara-Cobián, Clorinda, 2017, A checklist of the praying mantises of Peru: new records, one new genus (Piscomantis gen. n.) and biogeographic remarks (Insecta, Mantodea), Zootaxa 4337 (3), pp. 361-389 : 372 372
Schizomida   new species  Rowland, J. Mark, 1975, A partial revision of Schizomida (Arachnida), with descriptions of new species, genus, and family, Occasional Papers of the Museum of Texas Tech University 31, pp. 1-21 : 4 4
Rubus occidentalis   spec. nov.  Linnaeus, Carolus, 1753, Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas, Stockholm: Laurentius Salvius : 493 493
Peperomia cymbifolia subsp. var. var. occidentalis   var. nov.  Pino Infante, Guillermo Eloy, Samain, Marie-Stephanie, Alban Castillo, Joaquina Adelaida & Alomia Collazos, Luis Enrique Aaron, 2023, Species of Peperomia (Piperaceae) from the Sana River Valley, Peru, PhytoKeys 225, pp. 1-40 : 1 1
Pseudoschoengastia occidentalis     Nielsen, David H., Robbins, Richard G. & Rueda, Leopoldo M., 2021, Annotated world checklist of the Trombiculidae and Leeuwenhoekiidae (1758 - 2021) (Acari: Trombiculoidea), with notes on nomenclature, taxonomy, and distribution, Zootaxa 4967 (1), pp. 1-243 : 79 79
Faramea occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part I), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 586-598 : 598 598
Veneroida   new species  Smith, Edgar A., 1885, Report on the Lamellibranchiata collected by H. M. S. Challenger during the years 1873 - 1876, Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology 13, No. 35, pp. 1-341 : 206 206
Cis occidentalis   sp. nov.  Lawrence, John F., 2019, The Australian Ciidae (Coleoptera: Tenebrionoidea): supplement, Zootaxa 4555 (4), pp. 451-490 : 452 452
Ocnerodrilus occidentalis     Plisko, Jadwiga Danuta, 2010, Megadrile earthworm taxa introduced to South African soils (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Ocnerodrilidae), African Invertebrates 51 (2), pp. 289-289 : 305-306 305-306
Uroplectes occidentalis     Lourenço, Wilson R., 2000, Analyse taxonomique de quelques espèces du genre Uroplectes Peters, 1861 présentes en Angola et description d’une espèce nouvelle (Scorpiones, Buthidae), Zoosystema 22 (3), pp. 499-506 : 500-502 500-502
Cryptocarya occidentalis   nom. nov.  van der Werff, Henk, 2013, Nomenclatural notes on Cryptocarya R. Br. (Lauraceae) from Madagascar, Candollea 68 (2), pp. 303-306 : 305-306 305-306
Astrotischeria occidentalis     Jonas R. Stonis, Arūnas Diškus, Fernando Carvalho Filho & Owen T. Lewis, 2018, American Asteraceae-feeding Astrotischeria species with a highly modified, three-lobed valva in the male genitalia (Lepidoptera, Tischeriidae), Zootaxa 4469 (1), pp. 1-69 : 60 60
Rubus occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part R), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 785-805 : 801 801
Frankliniella occidentalis     Rasool, Iftekhar, Alattal, Yehya Zaki & Aldhafer, Hathal M., 2023, Faunistic inventory, identification keys and zoogeographical analysis of the Thysanoptera-Terebrantia of Saudi Arabia, including two new species, Zootaxa 5306 (2), pp. 151-200 : 178 178
Pectinopygus occidentalis     Sánchez-Montes, Sokani, Colunga-Salas, Pablo, Álvarez-Castillo, Lucía, Guzmán-Cornejo, Carmen & Montiel-Parra, Griselda, 2018, Chewing lice (Insecta: Phthiraptera) associated with vertebrates in Mexico, Zootaxa 4372 (1), pp. 1-109 : 37-38 37-38
Arytinnis occidentalis   sp. nov.  Percy Csiro, Diana M., 2003, Legume-feeding psyllids (Hemiptera, Psylloidea) of the Canary Islands and Madeira, Journal of Natural History 37, pp. 397-461 : 426-429 426-429
Nothogreniera occidentalis     A. Craig, Douglas, Currie, Douglas C. & Moulton, John K., 2018, Nothogreniera new genus, for two species of Australian " Paracnephia " (Diptera: Simuliidae), Zootaxa 4444 (4), pp. 351-380 : 368-378 368-378
Acarelliptus occidentalis     XUE, XIAO-FENG, WANG, ZHEN, SONG, ZI-WEI & HONG, XIAO-YUE, 2009, Eriophyoid mites on Fagaceae with descriptions of seven new genera and eleven new species (Acari: Eriophyoidea), Zootaxa 2253 (1), pp. 1-95 : 47 47
Aegus occidentalis   sp. nov.  Pathomwattananurak, Wuttipon & Jiaranaisakul, Kawin, 2024, A new species of Aegus Macleay, 1819 (Coleoptera: Lucanidae: Lucaninae: Aegini) from Thailand with checklist of the genus species from the country, Zootaxa 5453 (3), pp. 341-358 : 342-347 342-347
Tabanus occidentalis     Wolff, Marta & Miranda-Esquivel, Daniel Rafael, 2016, FAMILY TABANIDAE, Zootaxa 4122 (1), pp. 249-301 : 283 283
Ooctonus occidentalis     Huber, John T., Read, Jennifer D. & Triapitsyn, Serguei V., 2020, Illustrated key to genera and catalogue of Mymaridae (Hymenoptera) in America north of Mexico, Zootaxa 4773 (3), pp. 1-411 : 276 276
Bruchus occidentalis     Stojanova, Anelia & György, Zoltán, 2011, Checklist of the Bulgarian Bruchinae (Coleoptera: Chrysomelidae), ZooNotes 25 (25), pp. 1-7 : 5 5
Paracoracias occidentalis   new species  Clarke, Julia A., Ksepka, Daniel T., Smith, N. Adam & Norell, Mark A., 2009, Combined phylogenetic analysis of a new North American fossil species confirms widespread Eocene distribution for stem rollers (Aves, Coracii), Zoological Journal of the Linnean Society 157, No. 3, pp. 586-611 : 589 589
Gymnotettix occidentalis     Cadena-Castañeda, Oscar J. & Monzón-Sierra, José, 2014, Studies in Guatemalan Caelifera: New grasshoppers and monkey grasshoppers (Orthoptera: Caelifera: Acridoidea & Eumastacoidea) and an updated checklist, Zootaxa 3857 (3), pp. 379-411 : 389 389
Laparocerus occidentalis     Machado, Antonio, 2006, The type material of the species of Laparocerus Schönherr, 1834 (Coleoptera, Curculionidae, Entiminae), Journal of Natural History 40 (35 - 37), pp. 2001-2055 : 2031 2031
Acanthoponera occidentalis   n.sp.  Clark, J., 1926, Australian Formicidae., Journal of the Royal Society of Western Australia 12, pp. 43-52 : -1 -1
Platanus occidentalis     Carlton, Christopher E., MacRae, Ted C., Tishechkin, Alexey K., Bayless, Victoria L. & Johnson, Wood, 2018, Annotated Checklist of the Buprestidae (Coleoptera) from Louisiana, The Coleopterists Bulletin 72 (2), pp. 351-367 : 352 352
Austroscaeva occidentalis     Barahona-Segovia, Rodrigo M., Riera, Pamela, Pañinao-Monsálvez, Laura, Guzmán, Vicente Valdés & Henríquez-Piskulich, Patricia, 2021, Updating the knowledge of the flower flies (Diptera: Syrphidae) from Chile: Illustrated catalog, extinction risk and biological notes, Zootaxa 4959 (1), pp. 1-178 : 119 119
Avahi occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Primates, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 111-184 : 119 119
Uroptychus occidentalis     Baba, Keiji & Wicksten, Mary K., 2019, Chirostyloidean squat lobsters (Crustacea: Decapoda: Anomura) from the Galapagos Islands, Zootaxa 4564 (2), pp. 391-421 : 411-416 411-416
Blepharipoda occidentalis     Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 161 161
Lepidotus occidentalis     Leidy, J., 1860, Extinct vertebrata from the Judith River and Great Lignite formations of Nebraska., Transactions of the American Philosophical Society 11, pp. 139-154 : 149 149
Proszynellus occidentalis   sp. nov.  Patoleta, Barbara & Żabka, Marek, 2015, Proszynellus — a new jumping spider genus from Australia (Araneae: Salticidae), Zootaxa 3926 (2), pp. 257-267 : 264 264
Scorpio maurus subsp. occidentalis     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Hemiptera   new species  Glendenning, R., 1926, Some new aphids from British Columbia, Canadian Entomologist 58, No. 4, pp. 95-98 : 96 96
Leptoglossus occidentalis     Lugo, David, Suarez, Daniel, Martin, Sonia, Afonso, Oscar Martin, Martin, Alicia & Ruiz, Carlos, 2023, First record of Leptoglossus occidentalis Heidemann, 1910 (Hemiptera, Coreidae) in the Canary Islands, a novel pine pest detected through citizen science in an oceanic archipelago, Biodiversity Data Journal 11, pp. 109851-109851 : 109851 109851
Cyrthosia occidentalis     Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, Zootaxa 4989 (1), pp. 1-438 : 165-166 165-166
Siluriformes   new species  Regan, C. T., 1904, A monograph of the fishes of the family Loricariidae, Transactions of the Zoological Society of London 17, No. 3, pp. 191-350 : 257 257
Scorpaeniformes   new species  Motomura, Hiroyuki, 2004, Revision of the scorpinofish genus Neosebastes (Scorpaeniformes: Neosebastidae), with descriptions of five new species., Indo-Pacific Fishes 37, pp. 1-76 : 51 51
Mystaria occidentalis   comb. nov.  Honiball Lewis, Allet S. & Dippenaar-Schoeman, Ansie S., 2014, Revision of the spider genus Mystaria Simon, 1895 (Araneae: Thomisidae) and the description of a new genus from the Afrotropical region, Zootaxa 3873 (2), pp. 101-144 : 123-124 123-124
Malacocephalus occidentalis     Blend, Charles K., Dronen, Norman O. & Armstrong, Howard W., 2016, Podocotyle nimoyi n. sp. (Digenea: Opecoelidae: Plagioporinae) and a re-description of Podocotyle pearsei Manter, 1934 from five species of deep-sea macrourids from the Gulf of Mexico and Caribbean Sea, Zootaxa 4117 (4), pp. 491-512 : 502-508 502-508
Eriocoma occidentalis subsp. californica     Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J. & Reyna, Jesus Valdes, 2019, A key to the North American genera of Stipeae (Poaceae, Pooideae) with descriptions and taxonomic names for species of Eriocoma, Neotrinia, Oloptum, and five new genera: Barkworthia, x Eriosella, Pseudoeriocoma, Ptilagrostiella, and Thorneochloa, PhytoKeys 126, pp. 89-125 : 96 96
Stephanothrips occidentalis     Dang, Li-Hong & Qiao, Ge-Xia, 2014, Key to the fungus-feeder Phlaeothripinae species from China (Thysanoptera: Phlaeothripidae), Zoological Systematics 39 (3), pp. 313-358 : 332-353 332-353
Hipparchia azorina subsp. occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Cabdio occidentalis     Sayyadzadeh, Golnaz & Esmaeili, Hamid Reza, 2024, Freshwater lamprey and fishes of Iran: Reappraisal and updated checklist with a note on Eagderi et al. (2022), Zootaxa 5402 (1), pp. 1-99 : 51 51
Montenegrina perstriata subsp. occidentalis     Feher, Zoltan & Szekeres, Miklos, 2016, Taxonomic revision of the rock-dwelling door snail genus Montenegrina Boettger, 1877 (Mollusca, Gastropoda, Clausiliidae), ZooKeys 599, pp. 1-137 : 66-67 66-67
Pseudohydromys occidentalis     James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Rodentia (Part 5), Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA: Alien Press, Inc. & The Association of Systematics Collections, pp. 504-560 : 544 544
Pleuroseta occidentalis   sp. nov.  Kuwahara, Gregory K. & Marshall, Stephen A., 2023, A revision of the Australian genus Pleuroseta Richards (Diptera, Sphaeroceridae), European Journal of Taxonomy 910, pp. 69-97 : 74-80 74-80
Eurhoptus occidentalis   sp. n.  Anderson, Robert S. & Caterino, Michael S., 2018, A revision of the genus Eurhoptus LeConte, 1876 (Curculionidae, Cryptorhynchinae) of America north of Mexico, ZooKeys 787, pp. 37-80 : 66-69 66-69
Coleoptera   new species  Hawlitschek, Oliver, Porch, Nick, Hendrich, Lars & Balke, Michael, 2011, Ecological niche modelling and nDNA sequencing support a new, morphologically cryptic beetle species unveiled by DNA barcoding, Public Library of Science, ONE 6, No. 2, pp. 16662-16662 : 16662--1 16662--1
Stephanothrips occidentalis     Tong, Xiaoli & Zhao, Chao, 2017, Review of fungus-feeding urothripine species from China, with descriptions of two new species (Thysanoptera: Phlaeothripidae), Zootaxa 4237 (2), pp. 307-320 : 316 316
Mantodea   new species  Roy, Roger & Stiewe, Martin B. D., 2017, Révision du genre Belomantis Giglio-Tos, 1914 (Mantodea, Toxoderidae), Bulletin de la Société Entomologique de France 122, No. 3, pp. 287-295 : 287-295 287-295
Pareumenes (Pareumenes) sansibaricus subsp. occidentalis     J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part II: Genera Delta de SAUSSURE 1885 to Zethus FABRICIUS 1804 and Species Incertae Sedis, Linzer biologische Beiträge 42 (1), pp. 95-315 : 190 190
Cypriniformes   new species  Ayres, W. O., 1854, [Description of new fishes from California.] (Minutes of Academy meetings were printed in “ The Pacific ” (a newspaper) shortly after each meeting. New species date to publication in The Pacific. Dates of publication are given in each species account), The Pacific 3, No. 6 : 10 10
Paravespa (Gestrodynerus) occidentalis     J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part II: Genera Delta de SAUSSURE 1885 to Zethus FABRICIUS 1804 and Species Incertae Sedis, Linzer biologische Beiträge 42 (1), pp. 95-315 : 185 185
Catocala chelidonia subsp. occidentalis   subsp. nov.  Hawks, David, 2010, Review of the Catocala delilah species complex (Lepidoptera, Erebidae), ZooKeys 39 (39), pp. 13-35 : 31 31
Pogonomyrmex occidentalis     Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68 : -1 -1
Chiroleptes occidentalis   sp. nov.  Anstis, Marion, Price, Luke C., Roberts, J. Dale, Catalano, Sarah R., Hines, Harry B., Doughty, Paul & Donnellan, Stephen C., 2016, Revision of the water-holding frogs, Cyclorana platycephala (Anura: Hylidae), from arid Australia, including a description of a new species, Zootaxa 4126 (4), pp. 451-479 : 469-472 469-472
Malacocephalus occidentalis     Bray, R. A., Waeschenbach, A., Dyal, P., Littlewood, D. T. J. & Morand, S., 2014, New digeneans (Opecoelidae) from hydrothermal vent fishes in the south eastern Pacific Ocean, including one new genus and five new species, Zootaxa 3768 (1), pp. 73-87 : 82 82
Discozantaena occidentalis   sp. nov.  Bilton, David T & Perkins, Philip D, 2012, Two new species of Parhydraenini from South Africa (Coleoptera: Hydraenidae), Zootaxa 3342, pp. 51-59 : 52-53 52-53
Ellipsoscapha occidentalis     Cunha, Carlo M. & Salvador, Rodrigo B., 2018, Type specimens of fossil " Architectibranchia " and Cephalaspidea (Mollusca, Heterobranchia) in the Academy of Natural Sciences of Philadelphia, Zoosystematics and Evolution 94 (2), pp. 505-527 : 505 505
Galendromus (Galendromus) occidentalis     Liao, Jhih-Rong, Ho, Chyi-Chen & Ko, Chiun-Cheng, 2021, Predatory mites (Acari: Mesostigmata: Phytoseiidae) intercepted from samples imported to Taiwan, with description of a new species, Zootaxa 4927 (3), pp. 301-330 : 310 310
Otomys occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Muridae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 1189-1531 : 1528 1528
Bittacomorpha occidentalis     Fasbender, Andrew & Courtney, Gregory W., 2017, A revision of Bittacomorphinae with a review of the monophyly of extant subfamilies of Ptychopteridae (Diptera), Zootaxa 4309 (1), pp. 1-69 : 35-37 35-37
Ocnerodrilus occidentalis     Szederjesi, Tímea, Vavoulidou, Evangelia, Chalkia, Christina, Dányi, László & Csuzdi, Csaba, 2017, An annotated checklist of earthworms of Greece (Clitellata: Megadrili), Zootaxa 4272 (1), pp. 57-82 : 76 76
Mautodontha (Garrettoconcha) occidentalis   sp. nov.  Sartori, André F., Gargominy, Olivier & Fontaine, Benoît, 2014, Radiation and decline of endodontid land snails in Makatea, French Polynesia, Zootaxa 3772 (1), pp. 1-68 : 20-21 20-21
Hoplitis (Alcidamea) occidentalis   sp. nov.  Müller, Andreas, 2012, New European bee species of the tribe Osmiini (Hymenoptera: Apoidea: Megachilidae), Zootaxa 3355, pp. 29-50 : 38-39 38-39
Senna occidentalis     Rauber, Cristiane Ritter, Lima, Laura Cristina Pires, Caxambu, Marcelo Galeazzi & Temponi, Lívia Godinho, 2021, Synopsis of Leguminosae from Iguaçu National Park, Paraná, Brazil, Phytotaxa 501 (2), pp. 245-280 : 272-273 272-273
Anonconotus occidentalis     Giuliano, Davide, 2022, Orthopteran diversity and distribution in the Monviso Natural Park (Western Italian Alps) (Orthoptera), Fragmenta entomologica 54 (1), pp. 45-64 : 51-52 51-52
Cosmopsaltria giganta subsp. occidentalis     Sanborn, Allen F., 1999, Cicada (Homoptera: Cicadoidea) Type Material in the Collections of the American Museum of Natural History, California Academy of Sciences, Snow Entomological Museum, Staten Island Institute of Arts and Sciences, and the United States National Museum, The Florida Entomologist 82 (1), pp. 34-60 : 43-44 43-44
Eurydactylodes occidentalis     Bauer, Aaron M., Jackman, Todd R., Sadlier, Ross A. & Whitaker, Anthony H., 2012, Revision of the giant geckos of New Caledonia (Reptilia: Diplodactylidae: Rhacodactylus), Zootaxa 3404, pp. 1-52 : 16 16
Graptoleberis occidentalis     Macêdo, Rafael Lacerda, Sousa, Francisco Diogo R., Jesus, Sheila Bonfim de, Nunesmaia, Bárbara Janaina Bezerra, Branco, Christina Wyss Castelo & Elmoor-Loureiro, Lourdes M. A., 2021, Cladocera (Crustacea, Branchiopoda) species of Bahia State, Brazil: a critical update on species descriptions, distributions, and new records, Nauplius (e 2021011) 29, pp. 1-26 : 25 25
Ianthocincla rufogularis subsp. occidentalis     Mary, Croy, History, Bulletin Of The American Museum Of Natural, At, Central Park West, Street, Th, York, New & Ny, 2005, Type Specimens Of Birds In The American Museum Of Natural History. Part 6. Passeriformes: Prunellidae, Turdidae, Orthonychidae, Timaliidae, Paradoxornithidae, Picathartidae, And Polioptilidae, Bulletin of the American Museum of Natural History 2005 (292), pp. 1-132 : 90-91 90-91
Tricellaria occidentalis     Grischenko, Andrei V., Dick, Matthew H. & Mawatari, Shunsuke F., 2007, Diversity and taxonomy of intertidal Bryozoa (Cheilostomata) at Akkeshi Bay, Hokkaido, Japan, Journal of Natural History 41 (17 - 20), pp. 1047-1161 : 1091-1093 1091-1093
Machimus occidentalis     Dennis, D. Steve, Barnes, Jeffrey K. & Knutson, Lloyd, 2008, Pupal cases of Nearctic robber flies (Diptera: Asilidae), Zootaxa 1868 (1), pp. 1-98 : 88 88
Frankliniella occidentalis     Vierbergen, Gijsbertus, 2014, Thysanoptera intercepted in the Netherlands on plant products from Ethiopia, with description of two new species of the genus Thrips, Zootaxa 3765 (3), pp. 269-278 : 272 272
Hapalemur occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Primates, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 111-184 : 116 116
Conus occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 714 714
Aphelocheirus occidentalis     Carbonell, José Antonio, Abellán, Pedro, Arribas, Paula, Elder, Jean François & Millán, Andrés, 2011, The genus Aphelocheirus Westwood, 1833 (Hemiptera: Aphelocheiridae) in the Iberian Peninsula, Zootaxa 2771, pp. 1-16 : 5 5
Hephthopelta occidentalis   sp. nov.  Ng, Peter K. L. & Castro, Peter, 2016, Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea), Zootaxa 4209 (1), pp. 1-182 : 53-55 53-55
Senna occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 392 392
Zalmoxis occidentalis   comb. nov.  Sharma, Prashant P., Kury, Adriano B. & Giribet, Gonzalo, 2011, Zalmoxidae (Arachnida: Opiliones: Laniatores) of the Paleotropics: a catalogue of Southeast Asian and Indo-Pacific species, Zootaxa 2972, pp. 37-58 : 50-51 50-51
Sabellida   new species  McIntosh, William C., 1885, Report on the Annelida Polychæta collected by H. M. S. Challenger during the years 1873 – 76, Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology 12, No. 34, pp. 1-554 : 529 529
Caridina occidentalis   sp. nov.  Mazancourt, Valentin de, Bréthiot, Julien, Marquet, Gérard & Keith, Philippe, 2022, West Side Story: A molecular and morphological study of Caridina longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) from New Caledonia reveals a new species, Zoosystema 44 (18), pp. 463-474 : 469-472 469-472
Perciformes   new species  Greenfield, David W. Dr., 1979, A review of the western Atlantic Starksia ocellata - complex (Pisces: Clinidae) with the description of two new species and proposal of superspecies status, Fieldiana Zoology, New Series 73, No. 2, pp. 9-48 : 27 27
Siluriformes   new species  Gill, T. N., 1861, Descriptions of new species of Pimelodinae (abridged from the forthcoming report of Captain J. H. Simpson), Proceedings of the Boston Society of Natural History 8, pp. 42-46 : 45 45
Culicoides (Monoculicoides) occidentalis     Huerta, Rodríguez, Ana M., William L. Grogan, Jr. & Ibáñez-Bernal, Sergio, 2012, New records of biting midges of the genus Culicoides Latreille from Mexico (Diptera: Ceratopogonidae), Insecta Mundi 2012 (211), pp. 1-20 : 13 13
Platanus occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part P), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 718-782 : 749-750 749-750
Scorpaeniformes   new species  Lindberg, G. U., 1950, Description of a new species in the genus Anoplagonus Gill (Pisces, Agonidae) from the Sea of Japan, Issled. Dal'nevost. Morei SSSR 2, pp. 303-304 : 303 303
Hermanniella occidentalis     Behan-Pelletier, Valerie M. & Lindo, Zoë, 2019, Checklist of oribatid mites (Acari: Oribatida) of Canada and Alaska, Zootaxa 4666 (1), pp. 1-180 : 52 52
Pseudovermilia occidentalis     Bastida-Zavala, J. Rolando, 2008, Serpulids (Annelida: Polychaeta) from the Eastern Pacific, including a brief mention of Hawaiian serpulids, Zootaxa 1722, pp. 1-61 : 40-42 40-42
Malacocephalus occidentalis     Melo, Marcelo R. S., Braga, Adriana C., Nunan, Gustavo W. A. & Costa, Paulo A. S., 2010, On new collections of deep-sea Gadiformes (Actinopterygii: Teleostei) from the Brazilian continental slope, between 11 ° and 23 ° S, Zootaxa 2433, pp. 25-46 : 36 36
Colobus guereza subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Primates, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 111-184 : 168 168
Renclasea occidentalis   sp. nov.  Tishechkin, Alexey K. & Caterino, Michael S., 2009, A new North American genus of Hetaeriinae (Coleoptera: Histeridae), with descriptions of six new species from the U. S. A. and Mexico, Zootaxa 2311, pp. 1-18 : 13-14 13-14
Leptogenys (Lobopelta) nitida subsp. occidentalis     Bernard, F., 1953, La reserve naturelle integrale du Mt Nimba. XI. Hymenopteres Formicidae., Memoires de l'Institut Francais d'Afrique Noire 19, pp. 165-270 : 211 211
Colocania occidentalis   sp. n.  Gonzalez-Obando, Ranulfo, Aldrete, Alfonso N. Garcia, Carrejo-Gironza, Nancy & Mendivil, Julian, 2018, A new genus of Ptiloneuridae, its position within the family, and descriptions of five species (Psocodea, ' Psocoptera'), ZooKeys 780, pp. 11-34 : 11 11
Corasoides occidentalis   sp. nov.  Humphrey, Margaret, 2017, A Revision and Cladistic Analysis of the Genus Corasoides Butler (Araneae: Desidae) with Descriptions of Nine New Species, Records of the Australian Museum 69 (1), pp. 15-64 : 48-53 48-53
Graphomya occidentalis     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 77 77
Cyrtolabulus occidentalis     Gusenleitner, J., 2013, Die Gattungen der Eumeninae im Nahen Osten, in Nordafrika und in Arabien (Hymenoptera: Vespidae: Eumeninae), Linzer biologische Beiträge 45 (1), pp. 5-107 : 23 23
Galendromus (Galendromus) occidentalis     Trincado, R. D., Martin, J. P. I., Méndez Rosa, D. D., Lopes, P. C. & De Moraes, G. J., 2018, Phytoseiid mites (Acari: Phytoseiidae) from Chile, with descriptions of three new species and a redescription of Chileseius camposi, Zootaxa 4482 (2), pp. 322-340 : 331-332 331-332
Megophthalmidia occidentalis     Kerr, Peter H., 2014, The Megophthalmidia (Diptera, Mycetophilidae) of North America including eight new species, ZooKeys 386, pp. 29-83 : 49-55 49-55
Perciformes   new species  Gill, Anthony C. & Edwards, Alasdair J., 2002, Two new species of the Indo-Pacific fish genus Pseudoplesiops (Perciformes, Pseudochromidae, Pseudoplesiopinae), Bulletin of the Natural History Museum, Zoology Series 68, No. 1, pp. 19-26 : 23 23
Cephalanthus occidentalis   spec. nov.  Linnaeus, Carolus, 1753, Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas, Stockholm: Laurentius Salvius : 95 95
Neoacarus occidentalis     Martin, Peter, 2016, Larval morphology of benthic and interstitial water mites (Acari: Hydrachnidia) from a Luxembourgian stream, Zootaxa 4139 (4), pp. 451-480 : 472 472
Reinmara occidentalis   sp. n.  Laurent, Ryan A. St, Herbin, Daniel & Mielke, Carlos G. C., 2017, Revision of the genus Reinmara Schaus, 1928 (Lepidoptera, Mimallonoidea, Mimallonidae) with the descriptions of four new species from South America, ZooKeys 677, pp. 97-129 : 106-108 106-108
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 375 375
Uroplectes occidentalis     Prendini, Lorenzo, 2015, Three new Uroplectes (Scorpiones: Buthidae) with punctate metasomal segments from tropical central Africa, American Museum Novitates 2015 (3840), pp. 1-32 : 29 29
Platanus occidentalis     Howell, Nathan, Krings, Alexander & Braham, Richard R, 2016, Guide to the littoral zone vascular flora of Carolina bay lakes (U. S. A.), Biodiversity Data Journal 4, pp. 7964-7964 : 7964 7964
Pelidnota unicolor subsp. occidentalis     Moore, Matthew R., Jameson, Mary L., Garner, Beulah H., Audibert, Cedric, Smith, Andrew B. T. & Seidel, Matthias, 2017, Synopsis of the pelidnotine scarabs (Coleoptera, Scarabaeidae, Rutelinae, Rutelini) and annotated catalog of the species and subspecies, ZooKeys 666, pp. 1-349 : 1 1
Pectinopygus occidentalis     Palma, Ricardo L. & Peck, Stewart B., 2013, <strong> An annotated checklist of parasitic lice (Insecta: Phthiraptera) from the Galápagos Islands </ strong>, Zootaxa 3627 (1), pp. 1-87 : 45 45
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 370 370
Leptoglossus occidentalis     Çerçi, Bariş, Karataş, Ahmet & Karataş, Ayşegül, 2021, Insecta non gratae: New Distribution Records of Eight Alien Bug (Hemiptera) Species in Turkey with Contributions of Citizen Science, Zootaxa 5057 (1), pp. 1-28 : 8-10 8-10
Crenadactylus occidentalis   sp. nov.  Doughty, Paul, Ellis, Ryan J. & Oliver, Paul M., 2016, Many things come in small packages: Revision of the clawless geckos (Crenadactylus: Diplodactylidae) of Australia, Zootaxa 4168 (2), pp. 239-278 : 253-256 253-256
Belomantis occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 55 55
Stichopathes occidentalis     Lima, Manuela M., Cordeiro, Ralf T. S. & Perez, Carlos D., 2019, Black Corals (Anthozoa: Antipatharia) from the Southwestern Atlantic, Zootaxa 4692 (1), pp. 1-67 : 12 12
Cephalanthus occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 403 403
Amphipoda   new species  Hirayama, Akira, 1986, A new atylid species (Crustacea; Amphipoda) from Otsuchi Bay, Northeast Japan, Proceedings of the Japanese Society of Systematic Zoology 33, pp. 4-10 : 4 4
Cardaminopsis halleri subsp. occidentalis     Info Flora, 2021, Info Flora Schweiz - Brassicaceae, https://www.infoflora.ch/de/flora/brassicaceae.html (accessed 2023-10-20) : -1 -1
Atherigona occidentalis     Muller, B. S., 2015, Illustrated key and systematics of male South African Atherigona s. str. (Diptera: Muscidae), African Invertebrates 56 (3), pp. 845-845 : 890 890
Agrypnus occidentalis   sp. nov.  Girard, Claude, 2003, Étude des peuplements d’Elateridae (Coleoptera) de la région du mont Nimba et descriptions de taxons nouveaux, Mémoires du Muséum national d'Histoire naturelle 190, pp. 393-550 : 416-418 416-418
Graphium arycles subsp. occidentalis     Irungbam, Jatishwor Singh, Meitei, Laishram Ricky, Huidrom, Harmenn, Soibam, Baleshwor Singh, Ngangom, Aomao, Ngangom, Bendang, Meitei, Ronald & Fric, Zdenek Faltynek, 2020, An Inventory Of The Butterflies Of Manipur, India (Insecta: Lepidoptera), Zootaxa 4882 (1), pp. 1-91 : 29 29
Spialia ploetzi subsp. occidentalis     Cock, Matthew J. W., 2016, Observations on the biology of Afrotropical Hesperiidae (Lepidoptera) with particular reference to Kenya. Part 10. Pyrginae, Carcharodini, Zootaxa 4173 (4), pp. 301-350 : 329-332 329-332
Molgula occidentalis     A. Palomino-Alvarez, Lilian, Moreira Rocha, Rosana & Simoes, Nuno, 2019, Checklist of ascidians (Chordata, Tunicata) from the southern Gulf of Mexico, ZooKeys 832, pp. 1-33 : 1 1
Platypedia putnami var. occidentalis     Sanborn, Allen F., 1999, Cicada (Homoptera: Cicadoidea) Type Material in the Collections of the American Museum of Natural History, California Academy of Sciences, Snow Entomological Museum, Staten Island Institute of Arts and Sciences, and the United States National Museum, The Florida Entomologist 82 (1), pp. 34-60 : 54 54
Anthaxia (Haplanthaxia) occidentalis   sp. nov.  Bílý, Svatopluk, 2020, A revision of the Anthaxia (Haplanthaxia) dispar Kerremans species-group (Coleoptera: Buprestidae: Anthaxiini), Zootaxa 4851 (3), pp. 522-534 : 532-533 532-533
Juniperus occidentalis     Westcott, Richard L., Parsons, Gary L. & Johnson, Paul J., 2006, New records and other notes for Oregon Coleoptera, Zootaxa 1142 (1), pp. 1-33 : 9-10 9-10
Leptothrips occidentalis     Mound, Laurence & O’Donnell, Cheryle, 2017, Predation, phytophagy and character state confusion among North American species of the genus Leptothrips (Thysanoptera: Phlaeothripinae), Zootaxa 4294 (3), pp. 301-315 : 311 311
Hotea (Tylonca) curculionoides subsp. occidentalis     Ghahari, Hassan, Moulet, Pierre & Rider, David A., 2014, An annotated catalog of the Iranian Pentatomoidea (Hemiptera: Heteroptera: Pentatomomorpha), Zootaxa 3837 (1), pp. 1-95 : 78 78
Astylosternus occidentalis     Rödel, Mark-Oliver, Barej, Michael F., Hillers, Annika, Leaché, Adam D., Kouamé, N’Goran G, Ofori-Boateng, Caleb, Assemian, Emmanuel, Tohé, Blayda, Penner, Johannes, Hirschfeld, Mareike, Doumbia, Joseph, Gonwouo, Legrand Nono, Nopper, Joachim, Brede, Christian, Diaz, Raul, Fujita, Matthew K., Gil, Marlon & H, Gabriel, 2012, The genus Astylosternus in the Upper Guinea rainforests, West Africa, with the description of a new species (Amphibia: Anura: Arthroleptidae), Zootaxa 3245, pp. 1-29 : 9-16 9-16
Mephitis mephitis subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Carnivora, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 532-628 : 622 622
Scolopendra occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 639 639
Strigeata   new species  Brooks, Daniel R. & Overstreet, Robin M., 1978, The family Liolopidae (Digenea) including a new genus and two new species from crocodilians., International Journal for Parasitology 8, No. 4, pp. 267-273 : 268 268
Galinthias occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 55 55
Puliciphora occidentalis     Sinclair, Bradley J., 2023, An annotated checklist of the Diptera of the Galápagos Archipelago (Ecuador), Zootaxa 5283 (1), pp. 1-102 : 37 37
Pontophilus gracilis subsp. occidentalis     Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 120-121 120-121
Platanus occidentalis     Stöhr, O., Pilsl, P., Essl, F., Hohla, M. & Schröck, C., 2007, Beiträge zur Flora von Österreich, II, Linzer biologische Beiträge 39 (1), pp. 155-292 : 234-235 234-235
Gonamytta occidentalis     Naskrecki, Piotr, 2008, New species of arboreal predatory katydids from West Africa (Orthoptera: Tettigoniidae: Meconematinae), Zootaxa 1732, pp. 1-28 : 21 21
Colobaea occidentalis     Bratt, Albertus D., Knutson, Lloyd V., Murphy, William L. & Daniels, Anthony A., 2020, Biology, immature stages, and systematics of snail-killing flies of the genus Colobaea (Diptera: Sciomyzidae), with overviews of aspects of the tribe Sciomyzini, Zootaxa 4840 (1), pp. 1-64 : 26 26
Perciformes   new species  Randall, John Ernest Dr., Connell, Allan D. & Victor, Benjamin C., 2015, Review of the labrid fishes of the Indo-Pacific Genus Pseudocoris, with a description of two new species, Journal of the Ocean Science Foundation 16, pp. 1-55 : 13 13
Pseudochitinopoma occidentalis     Kupriyanova, Elena K., Ten, Harry A. & Nishi, Ejiroh, 2012, A taxonomic revision of Pseudochitinopoma Zibrowius, 1969 (Annelida, Serpulidae) with description of two new species, Zootaxa 3507, pp. 57-78 : 68-72 68-72
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 361-362 361-362
Euthyonidiella occidentalis   comb. nov.  Martins, Luciana & Souto, Camilla, 2015, Taxonomic review of four western Atlantic dendrochirotids (Holothuroidea) with the description of a new Brazilian cucumariid species and designation of neotypes, Zootaxa 3919 (2), pp. 362-374 : 363-368 363-368
Machimus occidentalis     Lavigne, Robert J. & Dennis, D. Steve, 2017, A checklist of the Robber Flies (Insecta: Diptera: Asilidae) of Wyoming, USA, Zootaxa 4238 (3), pp. 335-365 : 341 341
Oncopodura occidentalis     Thibaud, Jean-Marc, 2017, Catalogue des collemboles de France, Zoosystema 39 (3), pp. 297-436 : 372 372
Chimarra triangularis subsp. occidentalis     Blahnik, Roger & Andersen, Trond, 2022, New species of the genus Chimarra Stephens from Africa (Trichoptera, Philopotamidae) and characterization of the African groups and subgroups of the genus, ZooKeys 1111, pp. 43-198 : 43 43
Perciformes   new species  Stephens, John S., 1970, Seven new chaenopsid blennies from the western Atlantic, Copeia 1970, No. 2, pp. 280-309 : 287 287
Amphipoda   new species  Friend, J. Anthony, 1982, New terrestrial amphipods (Amphipoda: Talitridae) from Australian forests, Australian Journal of Zoology 30, No. 3, pp. 461-491 : 468 468
Oryctanthus occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part L), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 610-650 : 641 641
Bubaces occidentalis   sp. nov.  Brailovsky, Harry & Barrera, Ernesto, 2020, Review of the genus Bubaces (Hemiptera: Heteroptera: Rhyparochromidae Lethaeini) with descriptions of three new species, new distributional records, and key to species, Zootaxa 4767 (2), pp. 244-256 : 252-253 252-253
Geonoma occidentalis     Henderson, Andrew, 2011, A revision of Geonoma (Arecaceae), Phytotaxa 17, pp. 1-271 : 106 106
Lophiiformes   new species  Cadenat, J., 1959, Notes d’Ichtyologie ouest-africaine. XIX. -- Les Antennarius, Bulletin Inst. Fondam. Afr. Noire Sci. Nat., A 21, No. 1, pp. 361-394 : 381 381
Colletteichthys occidentalis   sp. nov.  Greenfield, David W., 2012, Colletteichthys occidentalis, a new Toadfish Species from the Arabian Peninsula and Northern Arabian Sea (Teleostei: Batrachoididae), Zootaxa 3165, pp. 64-68 : 65-67 65-67
Elachista occidentalis     Sruoga, Virginijus, Sinev, Sergey Yu. & Rocienė, Agnė, 2017, The Elachistidae (Lepidoptera: Gelechioidea) of Caucasus, with description of three new species, Zootaxa 4338 (2), pp. 241-262 : 254 254
Thuja occidentalis     Suh, Soo-Jung, 2020, Host plant list of the scale insects (Hemiptera: Coccomorpha) in South Korea, Insecta Mundi 2020 (757), pp. 1-26 : 21 21
Faramea occidentalis     Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, Adansonia (3) 44 (26), pp. 345-903 : 657 657
Pyrenula occidentalis     McMullin, Richard Troy, Simon, Andrew D. F., Brodo, Irwin M., Wickham, Sara B., Bell-Doyon, Philip, Kuzmina, Maria & Starzomski, Brian M., 2024, DNA barcoding aids in generating a preliminary checklist of the lichens and allied fungi of Calvert Island, British Columbia: Results from the 2018 Hakai Terrestrial BioBlitz, Biodiversity Data Journal 12, pp. 120292-120292 : 120292 120292
Tangara aurulenta subsp. occidentalis     LeCroy, Mary, 2012, Type Specimens Of Birds In The American Museum Of Natural History Part 10. Passeriformes: Emberizidae: Emberizinae, Catamblyrhynchinae, Cardinalinae, Thraupinae, And Tersininae, Bulletin of the American Museum of Natural History 2012 (368), pp. 1-125 : 93 93
Pseudoscorpiones   new species  Chamberlin, Joseph Conrad, 1929, A synoptic classification of the false scorpions or chela-spinners, with a report on a cosmopolitan collection of the same. — Part I. The Heterosphyronida (Chthoniidæ) (Arachnida-Chelonethida), Annals and Magazine of Natural History, Including Zoology, Botany and Geology, Being a Continuation of the ' Magazine of Botany and Zoology', and of Louden and Charlesworth's ' Magazine of Natural History', Series 10 4, No. 19, pp. 50-80 : 67 67
Choristoneura occidentalis     O’Hara, James E., 2005, A review of the tachinid parasitoids (Diptera: Tachinidae) of Nearctic Choristoneura species (Lepidoptera: Tortricidae), with keys to adults and puparia, Zootaxa 938, pp. 1-46 : 26 26
Parus occidentalis     Pachycephalidae, Aegithalidae, Remizidae, Paridae, Sittidae, Neosittidae, Certhiidae, Rhabdornithidae, Climacteridae, Dicaeidae, Pardalotidae, Nectariniidae, And & Lecroy, Mary, 2010, Type Specimens Of Birds In The American Museum Of Natural History Part 8. Passeriformes:, Bulletin of the American Museum of Natural History 2010 (333), pp. 1-178 : 70 70
Canis lupus subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Carnivora, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 532-628 : 576 576
Dalipaludina occidentalis   comb. nov.  Zhang, Le-Jia, Du, Li-Na & von Rintelen, Thomas, 2023, A new genus of river snails, Dalipaludina (Gastropoda, Viviparidae), endemic to the Yunnan Plateau of SW China, Zoosystematics and Evolution 99 (2), pp. 285-297 : 285 285
Ligia occidentalis     Lee, Timothy R. C., Ho, Simon Y. W., Wilson, George D. F. & Lo, Nathan, 2014, Phylogeography and diversity of the terrestrial isopod Spherillo grossus (Oniscidea: Armadillidae) on the Australian East Coast, Zoological Journal of the Linnean Society 170 (2), pp. 297-309 : 305-306 305-306
Thuja occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part T), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 878-905 : 887 887
Pseudocheirus occidentalis     Russell A. Mittermeier & Don E. Wilson, 2015, Pseudocheiridae, Handbook of the Mammals of the World – Volume 5 Monotremes and Marsupials, Barcelona: Lynx Edicions, pp. 498-530 : 527 527
Celtis occidentalis     Percy, Diana M., Rung, Alessandra & Hoddle, Mark S., 2012, An annotated checklist of the psyllids of California (Hemiptera: Psylloidea), Zootaxa 3193, pp. 1-27 : 21 21
Ochterus occidentalis     Kment, Petr, Carapezza, Attilio & Jindra, Zdeněk, 2020, Taxonomic catalogue of the family Ochteridae with description of Ochterus papaceki sp. nov. from Socotra Island and Tanzania (Hemiptera: Heteroptera), Acta Entomologica Musei Nationalis Pragae 60 (1), pp. 23-64 : 43-44 43-44
Oxypiloidea (Catasigerpes) occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 43 43
Pseudonannolene occidentalis     Iniesta, Luiz Felipe Moretti, Bouzan, Rodrigo Salvador & Brescovit, Antonio Domingos, 2023, A reassessment of the Neotropical genus Pseudonannolene Silvestri, 1895: cladistic analysis, biogeography, and taxonomic review (Spirostreptida: Pseudonannolenidae), European Journal of Taxonomy 867 (1), pp. 1-312 : 63-65 63-65
Cyana occidentalis     Mbata, Keith J. & Prins, Jurate De, 2023, Annotated checklist of moths of Zambia (Insecta: Lepidoptera), Zootaxa 5354 (1), pp. 1-503 : 294 294
Osmeriformes   new species  Ogilby, J. D., 1899, Contributions to Australian ichthyology, Proceedings of the Linnean Society of New South Wales 24, No. 1, pp. 154-186 : 157 157
Latolambrus occidentalis     Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 226-227 226-227
Perciformes   new species  Duméril, Auguste Henri André, 1858, Essai de classification des poissons qui forment le groupe des Echénéides, Comptes Rendus de l’Academie des Sciences de Paris, 3 47, No. 9, pp. 374-378 : 377 377
Culicoides occidentalis     Huerta, Rodríguez, Ana M., William L. Grogan, Jr. & Ibáñez-Bernal, Sergio, 2012, New records of biting midges of the genus Culicoides Latreille from Mexico (Diptera: Ceratopogonidae), Insecta Mundi 2012 (211), pp. 1-20 : 12 12
Leucothoe occidentalis     White, Kristine N., 2011, A taxonomic review of the Leucothoidae (Crustacea: Amphipoda) 3078, Zootaxa 3078 (1), pp. 1-113 : 63 63
Pseudochitinopoma occidentalis     Bastida-Zavala, J. Rolando, 2008, Serpulids (Annelida: Polychaeta) from the Eastern Pacific, including a brief mention of Hawaiian serpulids, Zootaxa 1722, pp. 1-61 : 38-39 38-39
Poa occidentalis     Soreng, Robert J. & Peterson, Paul M., 2012, Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in Mexico: new records, re-evaluation of P. ruprechtii, and two new species, P. palmeri and P. wendtii, PhytoKeys 15, pp. 1-104 : 37-38 37-38
Hermerius occidentalis   sp. nov.  Jin, Mengjie, Keyzer, Roger De, Hutchinson, Paul, Pang, Hong & Ślipiński, Adam, 2020, A Review Of The Australian Macrotomini (Coleoptera: Cerambycidae: Prioninae), Annales Zoologici 70 (1), pp. 33-96 : 67 67
Metophthalmus occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Blastopsylla occidentalis     Spodek, Malkie, Burckhardt, Daniel & Freidberg, Amnon, 2017, The Psylloidea (Hemiptera) of Israel, Zootaxa 4276 (3), pp. 301-345 : 316 316
Choristoneura occidentalis     Mbata, Keith J. & Prins, Jurate De, 2023, Annotated checklist of moths of Zambia (Insecta: Lepidoptera), Zootaxa 5354 (1), pp. 1-503 : 42-43 42-43
Lichenomima occidentalis   sp. nov.  González-Obando, Ranulfo, Calderón-Martínez, Nadia R. & Carrejo-Gironza, Nancy S., 2023, New species of Myopsocidae (Insecta: Psocodea: “ Psocoptera ”) from Colombia, Zootaxa 5377 (1), pp. 1-61 : 20-23 20-23
Buthus occidentalis     Sousa, Pedro, Arnedo, Miquel A. & Harris, D. James, 2017, Updated catalogue and taxonomic notes on the Old-World scorpion genus Buthus Leach, 1815 (Scorpiones, Buthidae), ZooKeys 686, pp. 15-84 : 34 34
Nephrolepis occidentalis     Hovenkamp PH & Miyamoto F, 2005, A conspectus of the native and naturalized species of Nephrolepis (Nephrolepidaceae) in the world, Blumea 50, pp. 279-322 : 310-312 310-312
Alastor (Alastor) occidentalis     J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part III: Classification, Additions, Corrections and Index, Linzer biologische Beiträge 42 (2), pp. 919-1004 : 925 925
Brachyhypopomus occidentalis     Ferraris, Carl J., Jr, Santana, Carlos David de & Vari, Richard P., 2017, Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types, Neotropical Ichthyology 15 (1), No. e 160067, pp. 1-8 : 1-8 1-8
Senna occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 393 393
Altica occidentalis     Clark, Shawn M., Lillrose, Tiffany & Belo Neto, Luiz A., 2013, Leaf Beetles of the Cayman Islands (Coleoptera: Chrysomelidae), Insecta Mundi 2013 (279), pp. 1-41 : 17-18 17-18
Avahi occidentalis     Russell A. Mittermeier, Anthony B. Rylands & Don E. Wilson, 2013, Indriidae, Handbook of the Mammals of the World – Volume 3 Primates, Barcelona: Lynx Edicions, pp. 142-175 : 166 166
Elachista occidentalis     Kaila, Lauri, 2019, An annotated catalogue of Elachistinae of the World (Lepidoptera: Gelechioidea: Elachistidae), Zootaxa 4632 (1), pp. 1-231 : 100 100
Cassia occidentalis   spec. nov.  Linnaeus, Carolus, 1753, Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas, Stockholm: Laurentius Salvius : 377 377
Pelecanus occidentalis     Ortega-Olivares, Mirza P., García-Prieto, Luis & García-Varela, Martín, 2014, Gryporhynchidae (Cestoda: Cyclophyllidea) in Mexico: species list, hosts, distribution and new records, Zootaxa 3795 (2), pp. 101-125 : 113-115 113-115
Torrenticola occidentalis     Fisher, J. Ray, Fisher, Danielle M., Skvarla, Michael J., Nelson, Whitney A. & Dowling, Ashley P. G., 2017, Revision of torrent mites (Parasitengona, Torrenticolidae, Torrenticola) of the United States and Canada: 90 descriptions, molecular phylogenetics, and a key to species, ZooKeys 701, pp. 1-496 : 1 1
Grewia occidentalis     Lees, David C. & Stonis, Jonas R., 2007, The first record of Tischeriidae (Insecta: Lepidoptera) from Madagascar, with description of Coptotriche alavelona sp. n. and an updated distributional checklist of Afrotropical Tischeriidae, Zootaxa 1645, pp. 35-45 : 37-38 37-38
Angustopila occidentalis     Tongkerd, Piyoros, Lwin, Ngwe, Pall-Gergely, Barna, Chanabun, Ratmanee, Pholyotha, Arthit, Prasankok, Pongpun, Seesamut, Teerapong, Siriwut, Warut, Srisonchai, Ruttapon, Sutcharit, Chirasak & Panha, Somsak, 2024, Contributions of a small collection of terrestrial microsnails (Pupilloidea, Hypselostomatidae) from Myanmar with description of three new species, ZooKeys 1195, pp. 157-197 : 157 157
Celtis occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 397 397
Tabanus occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 602 602
Meteterakis occidentalis   sp. n.  Sata, Naoya, 2018, Two new skink-endoparasitic species of Meteterakis (Nematoda, Heterakidae, Meteterakinae) from East Asian islands, Zoosystematics and Evolution 94 (2), pp. 339-348 : 341-343 341-343
Otomys occidentalis     Denys, Christiane, Missoup, Alain Didier, Nicolas, Violaine, Fülling, Olaf, Delapré, Arnaud, Bilong, Charles Felix Bilong, Taylor, Peter John J. & Hutterer, Rainer, 2014, African highlands as mammal diversity hotspots: new records of Lamottemys okuensis Petter, 1986 (Rodentia: Muridae) and other endemic rodents from Mt Oku, Cameroon, Zoosystema 36 (3), pp. 647-690 : 670 670
Protearomyia occidentalis     Macgowan, Iain & Reimann, André, 2021, A new species of Protearomyia (Diptera, Lonchaeidae) with a review of the genus in the Palearctic, Zootaxa 4966 (4), pp. 487-493 : 491 491
Mugil occidentalis   new species  de Laporte Castelnau La Ferté-Sénectère, Francis L., 1873, Contribution to the ichthyology of Australia. Nos. III thru IX [with subtitles, indexed as one work], Proceedings of the Zoological Acclimatisation Society of Victoria 2, pp. 37-158 : 135 135
Pseudomys occidentalis     James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Rodentia (Part 5), Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA: Alien Press, Inc. & The Association of Systematics Collections, pp. 504-560 : 546 546
Leptoglossus occidentalis     Ishikawa, Tadashi, Saito, Masayuki U., Kishimoto-Yamada, Keiko, Kato, Toshihide, Kurashima, Osamu & Ito, Motomi, 2015, Inventory of the Heteroptera (Insecta: Hemiptera) in Komaba Campus of the University of Tokyo, a highly urbanized area in Japan, Biodiversity Data Journal 3, pp. 4981-4981 : 4981 4981
Andaeschna occidentalis   sp. nov.  Bota-Sierra, Cornelio Andrés, Sandoval-H, Juliana & Palacino-Rodríguez, Fredy, 2019, Description of a new species of Andaeschna (Odonata: Aeshnidae) from the Western Colombian Andes, Zootaxa 4615 (3), pp. 594-600 : 595-599 595-599
Frankliniella occidentalis     Cavalleri, Adriano & Mound, Laurence A., 2012, Toward the identification of Frankliniella species in Brazil (Thysanoptera, Thripidae), Zootaxa 3270, pp. 1-30 : 11 11
Eustala occidentalis   sp. nov.  Baert, Léon, 2014, Three new Eustala (Araneae, Araneidae) species from the Galápagos Islands (Ecuador), European Journal of Taxonomy 86, pp. 1-18 : 3-9 3-9
Barbus occidentalis     Vreven, Emmanuel J. W. M. N., Musschoot, Tobias, Snoeks, Jos & Schliewen, Ulrich K., 2016, The African hexaploid Torini (Cypriniformes: Cyprinidae): review of a tumultuous history, Zoological Journal of the Linnean Society 177 (2), pp. 231-305 : 302 302
Glyphonyx occidentalis   sp. nov.  Németh, T. & Platia, G., 2014, On some Palaearctic click beetles deposited in the Hungarian Natural History Museum, 2 (Coleoptera: Elateridae) *, Zootaxa 3841 (4), pp. 451-490 : 459-460 459-460
Gnaphosa occidentalis     Paschetta, Mauro, Christille, Claretta, Marguerettaz, Fabio & Isaia, Marco, 2016, Regional catalogue of the spiders (Arachnida, Araneae) of Aosta Valley (NW Italy), Zoosystema 38 (1), pp. 49-125 : 67-68 67-68
Macrobiotus occidentalis     Li, Xiaochen, 2007, Tardigrades from the Tsinling Mountains, central China with descriptions of two new species of Echiniscidae (Tardigrada), Journal of Natural History 41 (41 - 44), pp. 2719-2739 : 2731 2731
Coleoptera   new species  Armstrong, J. W. T., 1953, On Autsralian Helodidae (Coleoptera). I. Description of new genera and species., Proceedings of the Linnean Society of New South Wales 78, pp. 19-32 : 24 24
Aethiopicodynerus bimammilatus subsp. occidentalis     Usenleitner, Gusenleitner, J. & Madl, M., 2009, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part I: Introduction, Key to Genera, Genera Aethiopicodynerus GUSENLEITNER 1997 to Cyrtolabulus van der VECHT 1969, Linzer biologische Beiträge 41 (1), pp. 513-638 : 520 520
Furcula occidentalis     St Laurent, Ryan A., Goldstein, Paul Z., Miller, James S., Markee, Amanda, Staude, Hermann S., Kawahara, Akito Y., Miller, Scott E. & Robbins, Robert K., 2023, Phylogenetic systematics, diversification, and biogeography of Cerurinae (Lepidoptera: Notodontidae) and a description of a new genus, Insect Systematics and Diversity 7 (2), pp. 1-25 : 7 7
Nidirana occidentalis   sp. nov.  Lyu, Zhi-Tong, Chen, Yang, Yang, Jian-Huan, Zeng, Zhao-Chi, Wang, Jian, Zhao, Jian, Wan, Han, Pang, Hong & Wang, Ying-Yong, 2020, A new species of Nidirana from the N. pleuraden group (Anura, Ranidae) from western Yunnan, China, Zootaxa 4861 (1), pp. 43-62 : 55-59 55-59
Machimus occidentalis     Dennis, D. Steve & Barnes, Jeffrey K., 2013, Pupal cases of three Nearctic species of Machimus (Diptera: Asilidae), Zootaxa 3683 (5), pp. 561-570 : 564-567 564-567
Paraphiomys occidentalis     Antoñanzas, Raquel López, Sen, Sevket & Mein, Pierre, 2004, Systematics and phylogeny of the cane rats (Rodentia: Thryonomyidae), Zoological Journal of the Linnean Society 142, pp. 423-444 : 429 429
Thuja occidentalis     Becherer, 1956, Florae Vallesiacae Supplementum, Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71, pp. 1-556 : 1-556 1-556
Dobrotworskyius occidentalis   comb. nov.  Reinert, John F., Harbach, Ralph E. & Kitching, Ian J., 2006, Phylogeny and classification of Finlaya and allied taxa (Diptera: Culicidae: Aedini) based on morphological data from all life stages, Zoological Journal of the Linnean Society 148 (1), pp. 1-101 : 89-91 89-91
Bifidostylus occidentalis   sp. nov.  Randall T. Schuh & Michael D. Schwartz, 2016, Nineteen new genera and 82 new species of Cremnorrhinina from Australia, including analyses of host relationships and distributions (Insecta: Hemiptera: Miridae: Phylininae: Cremnorrhinini), Bulletin of the American Museum of Natural History 401, pp. 1-279 : 57-59 57-59
Paraphiomys occidentalis     Antoñanzas, Raquel López, Sen, Sevket & Mein, Pierre, 2004, Systematics and phylogeny of the cane rats (Rodentia: Thryonomyidae), Zoological Journal of the Linnean Society 142, pp. 423-444 : 426-427 426-427
Argentinomyia occidentalis   sp. nov.  Montoya, Augusto L. & Wolff, Marta, 2023, Taxonomic revision of the Neotropical genus Argentinomyia Lynch-Arribálzaga, 1891 (Diptera: Syrphidae), with description of 16 new species, Zootaxa 5234 (1), pp. 1-157 : 98-101 98-101
Mangrovia occidentalis   sp. nov.  Framenau, Volker W. & Castanheira, Pedro de S., 2022, A new genus of Australian orb-weaving spider with extreme sexual size dimorphism (Araneae, Araneidae), Zoosystematics and Evolution 98 (1), pp. 137-149 : 137 137
Paraxenos occidentalis     Benda, Daniel, Pohl, Hans, Nakase, Yuta, Beutel, Rolf & Straka, Jakub, 2022, A generic classification of Xenidae (Strepsiptera) based on the morphology of the female cephalothorax and male cephalotheca with a preliminary checklist of species, ZooKeys 1093, pp. 1-134 : 1 1
Pteronemobius occidentalis     Desutter-Grandcolas, Laure, 2010, A check-list of Ensifera from Algeria (Insecta: Orthoptera), Zootaxa 2432, pp. 1-44 : 20 20
Spialia ploetzi subsp. occidentalis     Bivar-De-Sousa, António, Vasconcelos, Sasha, Mendes, Luís F., Larsen, Torben B., Baker, Jon & Guilherme, João L., 2016, Butterflies of Guinea-Bissau: VIII. New data, new reports, corrections and biodiversity (Lepidoptera: Papilionoidea), Zootaxa 4201 (1), pp. 1-77 : 54 54
Distaplia occidentalis     Lambert, Gretchen, 2019, The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz, Zootaxa 4657 (3), pp. 401-436 : 411 411
Odinophora occidentalis var. rubroatra     Horstmann, K., 2009, Typenrevisionen der von Kiss beschriebenen Taxa der Ichneumonidae III. Verschiedene Unterfamilien (Hymenoptera, Ichneumonidae), Linzer biologische Beiträge 41 (1), pp. 673-689 : 678 678
Stachyanthus occidentalis     Rio, Cédric Del, Stull, Gregory W. & Franceschi, Dario De, 2020, Survey of the fruits and endocarps of Icacinaceae (Lamiids, Icacinales), European Journal of Taxonomy 645, pp. 1-130 : 108 108
Cis occidentalis   sp. nov.  Lawrence, John F., 2019, The Australian Ciidae (Coleoptera: Tenebrionoidea): supplement, Zootaxa 4555 (4), pp. 451-490 : 473-474 473-474
Inocellia occidentalis   sp. nov.  Liu, Xingyue, Lyu, Yanan, Aspöck, Horst & Aspöck, Ulrike, 2018, Discovery of a new species of Inocelliidae (Insecta: Raphidioptera) in an altitude of nearly 3500 m in China, Zootaxa 4471 (3), pp. 585-589 : 586-588 586-588
Acanthoponera occidentalis     Clark, J., 1926, Australian Formicidae., Journal of the Royal Society of Western Australia 12, pp. 43-52 : 47-48 47-48
Microgale occidentalis     James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Insectivora, Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA: Alien Press, Inc. & The Association of Systematics Collections, pp. 58-106 : 60 60
Prabadra occidentalis   sp. nov.  Dubatolov, Vladimir V., Volynkin, Anton V., Singh, Navneet, Joshi, Rahul & Černý, Karel, 2021, On the taxonomy of the Prabhasa / Zadadra generic complex with descriptions of two new genera and two new species (Lepidoptera, Erebidae, Arctiinae, Lithosiini), Zootaxa 4966 (5), pp. 519-534 : 523-528 523-528
Paraslator occidentalis     Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), Zootaxa 4919 (1), pp. 1-68 : 44 44
Ivodea occidentalis   sp. nov.  Rabarimanarivo, Marina N., Rakotonirina, Nivo H., Phillipson, Peter B., Lowry Ii, Porter P., Labat, Jean-Noël & Pignal, Marc, 2015, Révision du genre Ivodea Capuron (Rutaceae), endémique de Madagascar et de l’archipel des Comores, Adansonia 37 (1), pp. 63-102 : 93-94 93-94
Anachlorocurtis occidentalis   sp. n.  Horka, Ivona, De Grave, Sammy & Ďuris, Zdenek, 2014, A new species of shrimp of the genus Anachlorocurtis Hayashi, 1975 from the Red Sea, with range extension of A. commensalis Hayashi, 1975 (Crustacea, Decapoda, Pandalidae), ZooKeys 407, pp. 9-28 : 12-21 12-21
Coleoptera   new species  Lea, Arthur Mills, 1907, On a new and remarkable genus of blind beetles from Australia and Tasmania of the family Trichopterygidae, Tasmanian naturalist 1, No. 3, pp. 14-16 : 16 16
Hybusa occidentalis     Queiroz, Larissa Lima De, Rafael, José Albertino, Pádua, Diego Galvão De, Araujo, Rodrigo De Oliveira & Heleodoro, Raphael Aquino, 2023, Redescription of Hybusa occidentalis (Westwood) (Orthoptera: Proscopiidae: Hybusinae): new images, description of male genitalia, pictorial key of Hybusa species and morphological comparison of Hybusinae with Xeniinae and Proscopiinae, Zootaxa 5380 (4), pp. 361-379 : 365-369 365-369
Paraleuctra occidentalis     Murányi, Dávid & Hwang, Jeong Mi, 2017, Four new species and further contributions to the Leuctridae (Plecoptera) of the Korean Peninsula, Zootaxa 4282 (1), pp. 43-61 : 49 49
Otomys occidentalis     Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Muridae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 536-884 : 742 742
Amara occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 596 596
Gibbaranea occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Pseudohydromys occidentalis     Guy G. Musser & Michael D. Carleton, 1993, Order Rodentia - Family Muridae, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 501-755 : 644 644
Leptoglossus occidentalis     Brailovsky, Harry, 2014, Illustrated key for identification of the species included in the genus Leptoglossus (Hemiptera: Heteroptera: Coreidae: Coreinae: Anisoscelini), and descriptions of five new species and new synonyms, Zootaxa 3794 (1), pp. 143-178 : 152 152
Meranoplus occidentalis   sp. n.  Schoedl,, 2007, Revision of Australian Meranoplus: the Meranoplus diversus group., Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. (Memoirs of the American Entomological Institute 80), pp. 370-424 : 400-401 400-401
Leptoglossus occidentalis     Valcárcel, Javier Pérez & Piloña, Fernando Prieto, 2011, Contribuciones al catálogo de la familia Coreidae Leach, 1815 (Hemiptera) de Aragón (NE de la Península Ibérica)., Arquivos Entomolóxicos 5, pp. 9-20 : 12 12
Phintella occidentalis   sp. nov.  Wesołowska, Wanda & Russell-Smith, Anthony, 2022, Jumping spiders from Ivory Coast collected by J. - C. Ledoux (Araneae, Salticidae), European Journal of Taxonomy 841 (1), pp. 1-143 : 80-83 80-83
Redunca occidentalis     Don E. Wilson & Russell A. Mittermeier, 2011, Bovidae, Handbook of the Mammals of the World – Volume 2 Hoofed Mammals, Barcelona: Lynx Edicions, pp. 444-779 : 622 622
Diplostomida   new species  Van Cleave, H. J. & Mueller, Justus F., 1932, Parasites of the Oneida Lake fishes. Part I. Descriptions of new genera and new species., Roosevelt Wild Life Annals 3, pp. 5-71 : 28 28
Cardioglossa occidentalis     Kanga, Kouassi Philippe, Kouamé, N’Goran Germain, Zogbassé, Parfait, Gongomin, Basseu Aude-Inès, Agoh, Konan Laurent, Kouamé, Akoua Michèle, Konan, Jean Christophe B. Y. N., Adepo-Gourène, Abouo Béatrice, Gourène, Germain & Rödel, Mark-Oliver, 2021, Amphibian diversity of a West African biodiversity hotspot: an assessment and commented checklist of the batrachofauna of the Ivorian part of the Nimba Mountains, Amphibian & Reptile Conservation (e 275) 15 (1), pp. 71-107 : 80 80
Hystrichopsylla occidentalis     Morrone, Juan J. & Acosta, Roxana, 2006, A synopsis of the fleas (Insecta: Siphonaptera) parasitizing New World species of Soricidae (Mammalia: Insectivora), Zootaxa 1354, pp. 1-30 : 21 21
Amphisbaena occidentalis     GANS, CARL, 2005, Checklist And Bibliography Of The Amphisbaenia Of The World, Bulletin of the American Museum of Natural History 2005 (289), pp. 1-130 : 18 18
Stenophthalmus occidentalis     Dawah, Hassan A., Abdullah, Mohammed A. & Deeming, John C., 2020, An overview of the Chloropidae (Diptera) of Saudi Arabia, Zootaxa 4791 (1), pp. 1-71 : 60 60
Sejanus occidentalis     Menard, Katrina L. & Schuh, Randall T., 2011, Revision Of Leucophoropterini: Diagnoses, Key To Genera, Redescription Of The Australian Fauna, And Descriptions Of New Indo-Pacific Genera And Species (Insecta: Hemiptera: Miridae), Bulletin of the American Museum of Natural History 2011 (361), pp. 1-159 : 154 154
Hemiptera   new species  Drake, Carl J. & Harris, H. M., 1926, Notes on American Anthocoridae with descriptions of new forms, Proceedings of the Biological Society of Washington 39, pp. 33-46 : 45 45
Phlaeopterus occidentalis   sp. nov.  Mullen, Logan J., Campbell, J. M. & Sikes, Derek S., 2018, Taxonomic Revision of the Rove Beetle Genus Phlaeopterus Motschulsky, 1853 (Coleoptera: Staphylinidae: Omaliinae: Anthophagini), The Coleopterists Bulletin 72, pp. 1-54 : 45-47 45-47
Thuja occidentalis     Essl, F., A, Lower & A, Lower, 2008, Bemerkenswerte floristische Funde aus Wien, Niederösterreich, dem Burgenland und der Steiermark, Teil V, Linzer biologische Beiträge 40 (1), pp. 341-369 : 361-362 361-362
Anthalona harti subsp. occidentalis   subsp. nov.  DAMME, KAY VAN, SINEV, ARTEM YU & DUMONT, HENRI J., 2011, Separation of Anthalona gen. n. from Alona Baird, 1843 (Branchiopoda: Cladocera: Anomopoda): morphology and evolution of scraping stenothermic alonines, Zootaxa 2875 (1), pp. 1-64 : 22-26 22-26
Musoda occidentalis   sp. nov.  Boulard, Michel, 1974, Descriptions de deux Cigales nouvelles du genre Musoda [Hom. Tibicinidae], Bulletin de la Société entomologique de Franc 79 (1), pp. 46-50 : 48-50 48-50
Siluriformes   new species  Pellegrin, J., 1933, Voyage de Ch. Alluaud et P. A. Chappuis en Afrique occidentale Française (Dec. 1930 -- Mars 1931). IV. Poissons, Archiv fuer Hydrobiologie 26, pp. 101-120 : 112 112
Cypriniformes   new species  Agassiz, Jean Louis Rodolphe, 1855, Art. XII. Synopsis of the ichthyological fauna of the Pacific slope of North America, chiefly from the collections made by the U. S. Expl. Exped. under the command of Captain C. Wilkes, with recent additions and comparisons with eastern types, The American Journal of Science and Arts, Series 2 19, pp. 71-99 : 94 94
Megasoma occidentalis     Ratcliffe, Brett C. & Morón, Miguel-Angel, 2005, Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology, The Coleopterists Bulletin 59 (1), pp. 91-126 : 116 116
Hymenoptera   new species  Cresson, E. T., 1874, Descriptions of new Hymenoptera., Transactions of the American Entomological Society 5, No. 1, pp. 99-102 : 100 100
Lathyrus occidentalis     Hess, Hans Ernst, Landolt, Elias & Hirzel, Rosmarie, 1976, Flora der Schweiz und angrenzender Gebiete. Band 2. Nymphaceae bis Primulaceae (2 nd edition) (p. 956): Leguminosae, Birkhaeuser Verlag : 609 609
Wettina occidentalis   new species  Cook, David R., Smith, Ian M. & Harvey, Mark S., 2000, Assessment of lateral compression of the idiosoma in adult water mites as a taxonomic character and reclassification of Frontipodopsis Walter, Wettina Piersig and some other basal Hygrobatoidea (Acari: Hydrachnida)., Invertebrate Taxonomy 14, pp. 433-448 : 438 438
Gymnotus carapo subsp. occidentalis   subsp. nov.  Albert, James S., 2017, Revision of the polytypic electric fish Gymnotus carapo (Gymnotiformes, Teleostei), with descriptions of seven subspecies, Zootaxa 4318 (3), pp. 401-438 : 429-430 429-430
Platythyrea occidentalis   nov. sp.  André, E., 1890, Matériaux pour servir a la faune myrmécologique de Sierra-Leone (Afrique occidentale)., Revista de Entomologia 9, pp. 311-327 : 315 315
Thuja occidentalis     Essl, F. & Stöhr, O., 2006, Bemerkenswerte floristische Funde aus Wien, Niederösterreich, dem Burgenland und der Steiermark, Teil III, Linzer biologische Beiträge 38 (1), pp. 121-163 : 155 155
Hydrocanthus occidentalis     Keller, Oliver, Schnepp, Kyle E., Ashman, Krystal L., Turnbow, Robert H. & Skelley, Paul E., 2020, An annotated catalog of the type material of Adephaga and Myxophaga (Coleoptera) deposited in the Florida State Collection of Arthropods in Gainesville, Florida, United States of America, Zootaxa 4744 (1), pp. 1-118 : 102-103 102-103
Pinnixa occidentalis     Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 254-255 254-255
Trachylepis occidentalis     Ceríaco, L. M. P., De Sá, S., Bandeira, S., Valério, H., Stanley, E. L., Kuhn, A. L., Marques, M. P., Vindum, J. V., Blackburn, D. C. & Bauer, A. M., 2016, Herpetological Survey of Iona National Park and Namibe Regional Natural Park, with a Synoptic List of the Amphibians and Reptiles of Namibe Province, Southwestern Angola, Proceedings of the California Academy of Sciences 63 (2), pp. 15-61 : 33-34 33-34
Latrodectus occidentalis   sp. nov.  Valdez-Mondragón, Alejandro & Cabrera-Espinosa, Luis A., 2023, Phylogenetic analyses and description of a new species of black widow spider of the genus Latrodectus Walckenaer (Araneae, Theridiidae) from Mexico; one or more species?, European Journal of Taxonomy 897, pp. 1-56 : 27-43 27-43
Sphenarium occidentalis     Sanabria-Urbán, Salomón, Song, Hojun, Oyama, Ken, González-Rodríguez, Antonio & Castillo, Raúl Cueva Del, 2017, Integrative taxonomy reveals cryptic diversity in neotropical grasshoppers: taxonomy, phylogenetics, and evolution of the genus Sphenarium Charpentier, 1842 (Orthoptera: Pyrgomorphidae), Zootaxa 4274 (1), pp. 1-86 : 52-54 52-54
Choristoneura occidentalis     O’Hara, James E., 2005, A review of the tachinid parasitoids (Diptera: Tachinidae) of Nearctic Choristoneura species (Lepidoptera: Tortricidae), with keys to adults and puparia, Zootaxa 938, pp. 1-46 : 21-22 21-22
Anthomyza occidentalis   sp. nov.  Roháćek, Jindřich & Barber, Kevin N., 2016, Nearctic Anthomyzidae: a monograph of Anthomyza and allied genera (Diptera), Acta Entomologica Musei Nationalis Pragae (suppl.) 56, pp. 1-412 : 201-210 201-210
Aulopiformes   new species  Poey, F. & Manday, D. Guitart, 2000, Ictiologia Cubana, Biblioteca de Clasicos Cubanos : 738 738
Haematoloechus occidentalis   sp. nov.  León-Règagnon, Virginia & Topan, Janet, 2018, Taxonomic revision of species of Haematoloechus Looss, 1899 (Digenea: Plagiorchioidea), with molecular phylogenetic analysis and the description of three new species from Mexico, Zootaxa 4526 (3), pp. 251-302 : 262-265 262-265
Eriocoma occidentalis subsp. pubescens     Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J. & Reyna, Jesus Valdes, 2019, A key to the North American genera of Stipeae (Poaceae, Pooideae) with descriptions and taxonomic names for species of Eriocoma, Neotrinia, Oloptum, and five new genera: Barkworthia, x Eriosella, Pseudoeriocoma, Ptilagrostiella, and Thorneochloa, PhytoKeys 126, pp. 89-125 : 96 96
Araneae   new species  Winter, A. J. De & Vastenhout, N., 2013, Revision of the Afrotropical land snail genus Avakubia Pilsbry, 1919, with description of Pseudavakubia gen. n. and eleven new species (Gastropoda: Pulmonata: Streptaxidae), African invertebrates 54, No. 2, pp. 605-663 : 635 635
Telfairia occidentalis     Umoh, Omodot Timothy & Bassey, Margaret Emmanuel, 2021, Morphology and distribution of species of the family Cucurbitaceae in Akwa Ibom State, Nigeria, Phytotaxa 508 (2), pp. 107-128 : 122 122
Synoicum occidentalis     Page, M. J., Willis, T. J. & Handley, S. J., 2014, The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species, Journal of Natural History (J. Nat. Hist.) 48 (27 - 28), pp. 1653-1688 : 1663-1666 1663-1666
Talpa occidentalis     Rainer Hutterer, 1993, Order Insectivora, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 69-130 : 129 129
Colpocephalum occidentalis     Palma, Ricardo L. & Peck, Stewart B., 2013, <strong> An annotated checklist of parasitic lice (Insecta: Phthiraptera) from the Galápagos Islands </ strong>, Zootaxa 3627 (1), pp. 1-87 : 18 18
Gerontoformica occidentalis   comb. nov.  Phillip Barden & David A. Grimaldi, 2016, Adaptive Radiation in Socially Advanced Stem-Group Ants from the Cretaceous, Current Biology 26, pp. 515-521 : 538 538
Tarachina occidentalis     Schwarz, Christian J., Pohl, Marius & Frank, Erik T., 2023, A preliminary checklist of the praying mantids of Comoé National Park, Ivory Coast (Insecta: Mantodea), Zootaxa 5373 (1), pp. 1-64 : 9-10 9-10
Diptera   new species  Arntfield, Peter William, 1975, A revision of Graphomya Robineau-Desvoidy (Diptera: Muscidae) from North America., Can Ent 107, No. 3, pp. 257-302 : 285 285
Machimus occidentalis     Lavigne, Robert J. & Dennis, Steve, 2019, Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species, Zootaxa 4662 (1), pp. 1-126 : 47-48 47-48
Pseudomys occidentalis     Guy G. Musser & Michael D. Carleton, 1993, Order Rodentia - Family Muridae, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 501-755 : 648 648
Hapalemur occidentalis     Russell A. Mittermeier, Anthony B. Rylands & Don E. Wilson, 2013, Lemuridae, Handbook of the Mammals of the World – Volume 3 Primates, Barcelona: Lynx Edicions, pp. 90-141 : 126 126
Aphaenogaster occidentalis     Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68 : -1 -1
Leptopelis occidentalis     Kanga, Kouassi Philippe, Kouamé, N’Goran Germain, Zogbassé, Parfait, Gongomin, Basseu Aude-Inès, Agoh, Konan Laurent, Kouamé, Akoua Michèle, Konan, Jean Christophe B. Y. N., Adepo-Gourène, Abouo Béatrice, Gourène, Germain & Rödel, Mark-Oliver, 2021, Amphibian diversity of a West African biodiversity hotspot: an assessment and commented checklist of the batrachofauna of the Ivorian part of the Nimba Mountains, Amphibian & Reptile Conservation (e 275) 15 (1), pp. 71-107 : 80 80
Pharaxonotha occidentalis   sp. nov.  Skelley, Paul E., Tang, William & Pérez-Farrera, Miguel Angel, 2022, Review of Pharaxonotha Reitter (Coleoptera: Erotylidae: Pharaxonothinae) inhabiting the cycad genus Dioon Lindl. (Cycadales), with descriptions of nine new species and comments on P. kirschii Reitter, Insecta Mundi 2022 (917), pp. 1-41 : 22-24 22-24
Everettia occidentalis   sp. nov.  Liew, Thor-Seng, Schilthuizen, Menno & Vermeulen, Jaap Jan, 2009, Systematic revision of the genus Everettia Godwin-Austen, 1891 (Mollusca: Gastropoda: Dyakiidae) in Sabah, northern Borneo, Zoological Journal of the Linnean Society 157 (3), pp. 515-550 : 540-541 540-541
Triepeolus occidentalis     Portman, Zachary M., Gardner, Joel, Lane, Ian G., Gerjets, Nicole, Petersen, Jessica D., Ascher, John S., Arduser, Mike, Evans, Elaine C., Boyd, Crystal, Thomson, Robin & Cariveau, Daniel P., 2023, A checklist of the bees (Hymenoptera: Apoidea) of Minnesota, Zootaxa 5304 (1), pp. 1-95 : 42 42
Hoplophoneus occidentalis     Therrien, François, 2005, Feeding behaviour and bite force of sabretoothed predators, Zoological Journal of the Linnean Society 145 (3), pp. 393-426 : 403-406 403-406
Dermacentor occidentalis     Guglielmone, Alberto A., Nava, Santiago & Robbins, Richard G., 2023, Geographic distribution of the hard ticks (Acari: Ixodida: Ixodidae) of the world by countries and territories, Zootaxa 5251 (1), pp. 1-274 : 74 74
Ochotona pusilla subsp. occidentalis   subsp. nov.  Erbajeva, Margarita A., Montuire, Sophie & Chaline, Jean, 2001, New ochotonids (Lagomorpha) from the Pleistocene of France, Geodiversitas 23 (3), pp. 395-409 : 401-406 401-406
Sphex occidentalis   sp. nov.  Dörfel, Thorleif H. & Ohl, Michael, 2022, The wasp genus Sphex in Sub-Saharan Africa (Hymenoptera: Sphecidae), European Journal of Taxonomy 796 (1), pp. 1-170 : 157-159 157-159
Psocodea   new species  Thornton, Ian W. B. & New, Tim R., 1977, The Philotarsidae (Insecta: Psocoptera) of Australia, Australian Journal of Zoology, Supplementary Series 54 : 29 29
Mutilla occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 582 582
Gaya occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part S), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 806-877 : 847 847
Holoneurus occidentalis     Jaschhof, Mathias, 2014, A revision of the types of Neotropical Porricondylinae (Diptera: Cecidomyiidae), Zootaxa 3779 (4), pp. 463-469 : 467-469 467-469
Otostigmus (Parotostigmus) occidentalis     Chagas-Jr, Amazonas, 2016, A systematic appraisal of the types of ten species of Otostigmus (Parotostigmus) (Scolopendromorpha, Scolopendridae, Otostigminae), Zootaxa 4147 (1), pp. 36-58 : 45-46 45-46
Poecilus occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 498 498
Leptoglossus occidentalis     Yildirim, E., Yazici, G. & Moulet, P., 2013, Contribution to the knowledge of the Gerridae, Coreoidea, Piesmatidae, Saldidae, Corixoidea, Nepoidea and Notonectidae (Hemiptera, Heteroptera) fauna of Turkey, Linzer biologische Beiträge 45 (1), pp. 995-1010 : 999 999
Frankliniella occidentalis     Skarlinsky Ii, Thomas L., 2024, The identification of the flower thrips, Frankliniella Karny (Thysanoptera: Thripidae) intercepted at U. S. ports of entry, Insecta Mundi 2024 (39), pp. 1-64 : 50 50
Angustopila occidentalis   sp. nov.  Pall-Gergely, Barna, Hunyadi, Andras, Vermeulen, Jaap J., Grego, Jozef, Sutcharit, Chirasak, Reischuetz, Alexander, Dumrongrojwattana, Pongrat, Botta-Dukat, Zoltan, Oerstan, Aydin, Fekete, Judit & Jochum, Adrienne, 2023, Five times over: 42 new Angustopila species highlight Southeast Asia's rich biodiversity (Gastropoda, Stylommatophora, Hypselostomatidae), ZooKeys 1147, pp. 1-177 : 1 1
Leptophis occidentalis     Albuquerque, Nelson Rufino De & Fernandes, Daniel S., 2022, Taxonomic revision of the parrot snake Leptophis ahaetulla (Serpentes, Colubridae), Zootaxa 5153 (1), pp. 1-69 : 41-44 41-44
Amiota occidentalis   sp. nov.  Jones, Lance E. & Grimaldi, David A., 2022, Revision Of The Nearctic Species Of The Genus Amiota Loew (Diptera: Drosophilidae), Bulletin of the American Museum of Natural History 2022 (458), pp. 1-181 : 105-106 105-106
Pelecanus occidentalis     Ortega-Olivares, Mirza P., García-Prieto, Luis & García-Varela, Martín, 2014, Gryporhynchidae (Cestoda: Cyclophyllidea) in Mexico: species list, hosts, distribution and new records, Zootaxa 3795 (2), pp. 101-125 : 106 106
Alastor (Alastor) occidentalis     Usenleitner, Gusenleitner, J. & Madl, M., 2009, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part I: Introduction, Key to Genera, Genera Aethiopicodynerus GUSENLEITNER 1997 to Cyrtolabulus van der VECHT 1969, Linzer biologische Beiträge 41 (1), pp. 513-638 : 541 541
Coleoptera   new species  Girard, Charles Frédéric, 1854, Descriptions of new fishes, collected by Dr. A. L. Heermann, naturalist attached to the survey of the Pacific railroad route, under Lieut. R. S. Williamson, U. S. A, Proceedings of the Academy of Natural Sciences of Philadelphia 7, pp. 129-140 : 137 137
Tilapia occidentalis   new species  Daget, J., 1962, Les poissons du Fouta Dialon et de la basse Guinée, Mem. Inst. Franc. Afr. Noire 65, pp. 1-210 : 161 161
Maldanidae Praxilla occidentalis   new species  McIntosh, William C., 1885, Report on the Annelida Polychæta collected by H. M. S. Challenger during the years 1873 – 76, Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology 12, No. 34, pp. 1-554 : 407 407
Calisto aquilum subsp. occidentalis   subsp. nov.  Aguila, Rayner Núñez, Matos- Maraví, Pável F. & Wahlberg, Niklas, 2013, New Calisto species from Cuba, with insights on the relationships of Cuban and Bahamian taxa (Lepidoptera, Nymphalidae, Satyrinae), Zootaxa 3669 (4), pp. 503-521 : 516-517 516-517
Aphaenogaster occidentalis     Shattuck, Steve & Cover, Stefan, 2016, Taxonomy of some little-understood North American ants (Hymenoptera: Formicidae), Zootaxa 4175 (1), pp. 10-22 : 13-14 13-14
Culicoides (Monoculicoides) occidentalis     Phillips, Robert A., 2022, Culicoides Latreille and Leptoconops Skuse biting midges of the southwestern United States with emphasis on the Canyonlands of southeastern Utah (Diptera: Ceratopogonidae), Insecta Mundi 2022 (907), pp. 1-214 : 71-72 71-72
Macrobiotus occidentalis   sensu lato  Kaczmarek, Łukasz, 2017, Annotated zoogeography of non-marine Tardigrada. Part IV: Africa, Zootaxa 4284 (1), pp. 1-74 : 47-48 47-48
Protectoribates occidentalis     Behan-Pelletier, Valerie M. & Lindo, Zoë, 2019, Checklist of oribatid mites (Acari: Oribatida) of Canada and Alaska, Zootaxa 4666 (1), pp. 1-180 : 112 112
Platanus occidentalis     Howell, Nathan, Krings, Alexander & Braham, Richard R, 2016, Guide to the littoral zone vascular flora of Carolina bay lakes (U. S. A.), Biodiversity Data Journal 4, pp. 7964-7964 : 7964 7964
Anura   new species  Cisneros-Heredia, Diego F. & Gluesenkamp, Andrew G., 2010, A new Andean Toad of the genus Osornophryne (Amphibia: Anura: Bufonidae) from northwestern Ecuador, with taxonomic remarks on the genus, Avances en Ciencias e Ingenierías 2, No. 3, pp. 64-64 : B65 B65
Colpocephalum occidentalis     Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L., 2021, An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile, Zootaxa 5077 (1), pp. 1-151 : 120 120
Dynastes hercules subsp. occidentalis     VILLAMARÍN-CORTEZ, SANTIAGO, YÁNEZ-CORONEL, JAVIER & CAMPOVERDE, MAYRA, 2016, CARACTERIZACIÓN MORFOLÓGICA DE LOS ESTADIOS LARVALES L 2 Y L 3 DE DYNASTES HERCULES OCCIDENTALIS (MELOLONTHIDAE: DYNASTINAE), Papéis Avulsos de Zoologia 56 (1), pp. 1-8 : 2-4 2-4
Lathyrus occidentalis     Ornosa, Concepción, Torres, Félix & Rúa, Pilar De La, 2017, Updated list of bumblebees (Hymenoptera: Apidae) from the Spanish Pyrenees with notes on their decline and conservation status, Zootaxa 4237 (1), pp. 41-77 : 45-46 45-46
Oreocossus occidentalis     Yakovlev, Roman V., Sulak, Harald & Witt, Thomas J., 2019, Preliminary list of Cossidae sensu str. (Lepidoptera, Cossoidea: Cossidae: Cossinae & Zeuzerinae) of the Republic of Angola with description of a new Strigocossus species, Zootaxa 4586 (3), pp. 445-460 : 456 456
Dynastes hercules subsp. occidentalis     VILLAMARÍN-CORTEZ, SANTIAGO, YÁNEZ-CORONEL, JAVIER & CAMPOVERDE, MAYRA, 2016, CARACTERIZACIÓN MORFOLÓGICA DE LOS ESTADIOS LARVALES L 2 Y L 3 DE DYNASTES HERCULES OCCIDENTALIS (MELOLONTHIDAE: DYNASTINAE), Papéis Avulsos de Zoologia 56 (1), pp. 1-8 : 4-7 4-7
Coleoptera   new species  Watts, Christopher H. S., 2009, Revision of Heterocyphon Armstrong, Peneveronatus Armstrong and Accolabass gen. nov. (Scirtidae: Coleoptera), Transactions of the Royal Society of South Australia 133, No. 1, pp. 108-149 : 121 121
Protectoribates occidentalis   sp. nov.  Behan-Pelletier, Valerie M., 2017, Tegoribatidae of North America, with proposal of Protectoribates gen. nov., and new species (Acari, Oribatida, Tegoribatidae), Zootaxa 4337 (2) : 155-163 155-163
Paraleuctra occidentalis     Baumann, Richard W. & Stark, Bill P., 2010, Studies On The Plecoptera Of The Kootenay Lake Drainage: A Revisitation Of The Stoneflies From The Purcell Range, British Columbia, Canada, Illiesia 6 (23), pp. 292-302 : 296 296
Pseudozaona occidentalis   new species  Hoff, C. Clayton & Bolsterli, Joan E., 1956, Pseudoscorpions of the Mississippi River drainage basin area., Transactions of the American Microscopical Society 75, pp. 155-179 : 170 170
Emys orbicularis subsp. occidentalis     Iverson, John B., 2022, A review of Chelonian type specimens (order Testudines), Megataxa 7 (1), pp. 1-85 : 35 35
Philothamnus natalensis subsp. occidentalis     Conradie, Werner, Branch, William R. & Watson, Gillian, 2019, Type specimens in the Port Elizabeth Museum, South Africa, including the historically important Albany Museum collection. Part 2: Reptiles (Squamata), Zootaxa 4576 (1), pp. 1-45 : 30-31 30-31
Ocnerodrilus occidentalis     Plisko, Jadwiga D. & Nxele, Thembeka C., 2015, An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae), African Invertebrates 56 (3), pp. 663-663 : 701 701
Pseudoscorpiones   new species  Vachon, Max, 1954, Contribution à l'étude du peuplement de la Mauritanie. Pseudoscorpions, Bulletin de l'Institut Francais d'Afrique Noire, Série A, Sciences Naturelles 16, pp. 1022-1030 : 1022 1022
Auchenoglanis occidentalis     Retzer, Michael E., 2010, Taxonomy of Auchenoglanis Günther 1865 (Siluriformes: Auchenoglanididae), Zootaxa 2655 (1), pp. 25-51 : 44-46 44-46
Nereis occidentalis     Salazar-Vallejo, Sergio I., León-González, Jesús Angel De & Conde-Vela, Víctor M., 2021, Revision of the species confused with “ Nereis falsa ” de Quatrefages, 1866 (Annelida, Nereididae), European Journal of Taxonomy 779, pp. 1-70 : 49-53 49-53
Spirobranchus occidentalis     Kupriyanova, Elena K., Sun, Yanan, Ten Hove, Harry A., Wong, Eunice & Rouse, Greg W., 2015, Serpulidae (Annelida) of Lizard Island, Great Barrier Reef, Australia, Zootaxa 4019 (1), pp. 275-353 : 307 307
Aeneonaenaria occidentalis     Riedel, Matthias, 2023, Notes on Ichneumoninae (Hymenoptera, Ichneumonidae) from southern China, with descriptions of one new genus and twelve new species, Contributions to Entomology 73 (2), pp. 223-248 : 223 223
Pauridia occidentalis   comb. nov.  Snijman, Deirdre A. & Kocyan, Alexander, 2013, The genus Pauridia (Hypoxidaceae) amplified to include Hypoxis sect. Ianthe, Saniella and Spiloxene, with revised nomenclature and typification, Phytotaxa 116 (1), pp. 19-33 : 28 28
Pauridia occidentalis var. quadriloba   comb. nov.  Snijman, Deirdre A. & Kocyan, Alexander, 2013, The genus Pauridia (Hypoxidaceae) amplified to include Hypoxis sect. Ianthe, Saniella and Spiloxene, with revised nomenclature and typification, Phytotaxa 116 (1), pp. 19-33 : 28 28
Hydraena (Holcohydraena) occidentalis     Perkins, Philip D., 2023, New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae), Zootaxa 5367 (1), pp. 1-86 : 63 63
Neoconocephalus occidentalis     Yong, Sheyla & Perez-Gelabert, Daniel E., 2014, Grasshoppers, Crickets and Katydids (Insecta: Orthoptera) of Cuba: an annotated checklist, Zootaxa 3827 (4), pp. 401-438 : 433 433
Ptiloprora meekiana subsp. occidentalis     Mary, 2011, Type Specimens Of Birds In The American Museum Of Natural History Part 9. Passeriformes: Zosteropidae And Meliphagidae, Bulletin of the American Museum of Natural History 2011 (348), pp. 1-193 : 129-130 129-130
Siluriformes   new species  Steindachner, F., 1880, Zur Fisch-Fauna des Cauca und der Flüsse bei Guayaquil, Denkschriften der Kaiserlichen Akademie der Wissenschaften, Wien 42, pp. 55-104 : 99 [47] 99 [47]
Metophthalmus occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Lissothus occidentalis     Stockmann, Mark, Turiel, Carlos, Althoff, Felix, Lowe, Graeme & Kovařík, František, 2016, First report of Lissothus occidentalis Vachon, 1950 (Scorpiones: Buthidae) from Morocco and Western Sahara, with notes on ecology and captive breeding, Euscorpius 235, pp. 1-12 : 1-11 1-11
Acomatacarus occidentalis     Nielsen, David H., Robbins, Richard G. & Rueda, Leopoldo M., 2021, Annotated world checklist of the Trombiculidae and Leeuwenhoekiidae (1758 - 2021) (Acari: Trombiculoidea), with notes on nomenclature, taxonomy, and distribution, Zootaxa 4967 (1), pp. 1-243 : 9 9
Paraleuctra occidentalis     Baumann, Richard W. & Stark, Bill P., 2009, Paraleuctra Alta (Plecoptera: Leuctridae), A New Stonefly From Alberta, Canada, Illiesia 5 (4), pp. 30-33 : 32 32
Strangalia occidentalis     MONNÉ, MIGUEL A., 2006, Catalogue of the Cerambycidae (Coleoptera) of the Neotropical Region. Part III. Subfamilies Parandrinae, Prioninae, Anoplodermatinae, Aseminae Spondylidinae, Lepturinae, Oxypeltinae, and addenda to the Cerambycinae and Lamiinae,, Zootaxa 1212 (1), pp. 1-244 : 141 141
Clethra occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part T), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 878-905 : 889 889
Ocnerodrilus occidentalis     M, Alexander Feijoo & Celis, Liliana V., 2012, New species of earthworms (Oligochaeta: Glossoscolecidae) in the Amazon region of Colombia, Zootaxa 3458, pp. 103-119 : 114 114
Conibosa occidentalis     Sanborn, Allen F. & Maes, Jean-Michel, 2012, Checklist of the cicadas (Insecta: Hemiptera: Cicadidae) of Nicaragua including new records for seventeen species, Check List 8 (3), pp. 437-442 : 440 440
Beckhoplia occidentalis     Dombrow, Holger E. & Colville, Jonathan F., 2020, Review of the genus Beckhoplia Dombrow, 2005 with the description of fifteen new species from South Africa and observations on its biogeography (Coleoptera: Scarabaeidae: Melolonthinae: Hopliini), Zootaxa 4823, pp. 1-79 : 64-67 64-67
Protectoribates occidentalis     Norton, Roy A. & Ermilov, Sergey G., 2024, Catalogue of juvenile instars of oribatid mites (Acari: Oribatida) - the next decade (2014 - 2023), Zootaxa 5419 (4), pp. 451-494 : 473 473
Megasoma occidentalis     Ratcliffe, Brett C. & Morón, Miguel-Angel, 2005, Larval Descriptions Of Eight Species Of Megasoma Kirby (Coleoptera: Scarabaeidae: Dynastinae) With A Key For Identification And Notes On Biology, The Coleopterists Bulletin 59 (1), pp. 91-126 : 92 92
Micronola yemeni subsp. occidentalis   subsp. nov.  Fibiger, Michael, 2011, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea). Part 4, Taxonomy of the subfamilies Tentaxinae and Micronoctuinae, Zootaxa 2842 (2842), pp. 1-188 : 118 118
Buthacus occidentalis     Kovařík, František, Lowe, Graeme & Šťáhlavský, František, 2016, Review of Northwestern African Buthacus, with description of Buthacus stockmanni sp. n. from Morocco and Western Sahara (Scorpiones, Buthidae), Euscorpius 236, pp. 1-18 : 2-4 2-4
Ceratosphys occidentalis     Kime, Richard Desmond & Enghoff, Henrik, 2021, Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda), European Journal of Taxonomy 769, pp. 1-244 : 132 132
Branchinella occidentalis     Rogers, D. Christopher, 2006, A genus level revision of the Thamnocephalidae (Crustacea: Branchiopoda: Anostraca), Zootaxa 1260, pp. 1-25 : 5 5
Dorylaimellus (Dorylaimellus) occidentalis     Ahmad, Wasim & Naz, Tabbasam, 2012, Four new and six known species of the genus Dorylaimellus Cobb, 1913 (Nematoda: Belondiridae) from India, Journal of Natural History 46 (45 - 46), pp. 2787-2828 : 2805-2808 2805-2808
Kronopolites occidentalis     Likhitrakarn, Natdanai, Golovatch, Sergei I. & Panha, Somsak, 2015, Review of the millipede genus Kronopolites Attems, 1914 (Diplopoda, Polydesmida, Paradoxosomatidae), with the description of a new species from Laos, ZooKeys 472, pp. 27-41 : 29 29
Pseudomys occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Muridae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 1189-1531 : 1459 1459
Ocnerodrilus occidentalis     Nguyen, Tung T., Nguyen, Anh D., Tran, Binh T. T. & Blakemore, Robert J., 2016, A comprehensive checklist of earthworm species and subspecies from Vietnam (Annelida: Clitellata: Oligochaeta: Almidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Moniligastridae, Ocnerodrilidae, Octochaetidae), Zootaxa 4140 (1), pp. 1-92 : 81 81
Lepidoperca occidentalis     William D. Anderson, Jr., 2018, Annotated checklist of anthiadine fishes (Percoidei: Serranidae), Zootaxa 4475 (1), pp. 1-62 : 18 18
Senna occidentalis     Monteiro, Francisca, Costa, Esperança Da, Kissanga, Raquel, Costa, José Carlos & Catarino, Luís, 2022, An annotated checklist of the vascular flora of Quiçama National Park, Angola, Phytotaxa 557 (1), pp. 1-67 : 36 36
Ocnerodrilus occidentalis     Rota, Emilia, 2013, From Corsica to Britain: new outdoor records of Ocnerodrilidae (Annelida: Clitellata) in western Europe, Biodiversity Data Journal 1, pp. 985-985 : 985 985
Senna occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 393 393
Hypoponera occidentalis     Bolton, B. & Fisher, B. L., 2011, Taxonomy of Afrotropical and West Palaearctic ants of the ponerine genus Hypoponera Santschi (Hymenoptera: Formicidae)., Zootaxa 2843, pp. 1-118 : 78-79 78-79
Verbesina occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part S), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 806-877 : 849 849
Zelandobates occidentalis   syn. nov.  SmitK, Harry & PešićK, Vladimir, 2024, New records of rare water mites from New Zealand, with the description of a new genus (Acari: Hydrachnidia), Acarologia 64 (2), pp. 602-611 : 610 610
Gasterosteus occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 295 295
Serixia sedata subsp. occidentalis     Gupta, Rajeev & Vitali, Francesco, 2017, The checklist of longhorn beetles (Coleoptera: Cerambycidae) from India, Zootaxa 4345 (1), pp. 1-317 : 250 250
Steatonyssus occidentalis     Orlova, Maria V. & Anisimov, Nikolay V., 2023, Three new species of bat-parasitic gamasid mites of the genera Spinturnix, Macronyssus and Steatonyssus (Acari: Mesostigmata: Spinturnicidae, Macronyssidae) from Siberia and Mongolia, with keys to species of Russia and adjacent countries, Persian Journal of Acarology 12 (2), pp. 211-239 : 233 233
Celina occidentalis     Keller, Oliver, Schnepp, Kyle E., Ashman, Krystal L., Turnbow, Robert H. & Skelley, Paul E., 2020, An annotated catalog of the type material of Adephaga and Myxophaga (Coleoptera) deposited in the Florida State Collection of Arthropods in Gainesville, Florida, United States of America, Zootaxa 4744 (1), pp. 1-118 : 50 50
Estrilda astrild subsp. occidentalis     Boano, Giovanni, Belemsobgo, Urbain, Silvano, Fabrizio, Hema, Emmanuel M., Belemsobgo, Aristide, Dimobe, Kangbéni & Pavia, Marco, 2022, An annotated checklist of the birds of Burkina Faso, Zoosystema 44 (2), pp. 27-107 : 98-99 98-99
Tricellaria occidentalis     Dyrynda, P. E. J., Fairall, V. R., Ambrogi, A. Occhipinti & d’Hondt, J. - L., 2000, The distribution, origins and taxonomy of Tricellaria inopinata d’Hondt and Occhipinti Ambrogi, 1985, an invasive bryozoan new to the Atlantic, Journal of Natural History 34 (10), pp. 1993-2006 : 1999 1999
Hemiptera   new species  Fletcher, Murray J., 1985, Revision of the genus Siphanta Stål (Homoptera: Fulgoroidea: Flatidae)., Australian Journal of Zoology, Supplementary Series 110, pp. 1-94 : 25 25
Hymenoptera   new species  Cresson, E. T., 1865, Catalogue of Hymenoptera in the collection of the Entomological Society of Philadelphia, from Colorado Territory (continued from page 313)., Proceedings of the Entomological Society of Philadelphia 4, pp. 426-488 : 426 426
Australozethus occidentalis     Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), Zootaxa 4919 (1), pp. 1-68 : 9 9
Paraphiomys occidentalis     Antoñanzas, Raquel López, Sen, Sevket & Mein, Pierre, 2004, Systematics and phylogeny of the cane rats (Rodentia: Thryonomyidae), Zoological Journal of the Linnean Society 142, pp. 423-444 : 430 430
Stelis (Stelis) occidentalis     Delphia, Casey M., Griswold, Terry, Reese, Elizabeth G., O'Neill, Kevin M. & Burkle, Laura A., 2019, Checklist of bees (Hymenoptera: Apoidea) from small diversified vegetable farms in south-western Montana, Biodiversity Data Journal 7, pp. 30062-30062 : 30062 30062
Rhynchalastor occidentalis   comb. nov.  J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part II: Genera Delta de SAUSSURE 1885 to Zethus FABRICIUS 1804 and Species Incertae Sedis, Linzer biologische Beiträge 42 (1), pp. 95-315 : 229 229
Sophora tomentosa var. occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part S), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 806-877 : 866 866
Accolabass occidentalis   new species  Watts, Christopher H. S., 2009, Revision of Heterocyphon Armstrong, Peneveronatus Armstrong and Accolabass gen. nov. (Scirtidae: Coleoptera), Transactions of the Royal Society of South Australia 133, No. 1, pp. 108-149 : 135 135
Juniperus occidentalis     Westcott, Richard L., 2023, New host and distribution records plus additional notes for North American species of Chrysobothris Eschscholtz (Coleoptera: Buprestidae), with designation of a lectotype for Chrysobothris vulcanica LeConte, 1861, Insecta Mundi 2023 (967), pp. 1-10 : 5 5
Dendrophilacris occidentalis     Monné, Miguel A., 2018, An updated list of the type specimens of Caelifera (Orthoptera) in the Museu Nacional, Rio de Janeiro, Zootaxa 4462 (1), pp. 73-99 : 86 86
Araneae   new species  Forster, Raymond Robert & Wilton, Cecil Louis, 1973, The spiders of New Zealand. Part IV. Agelenidae, Stiphidiidae, Amphinectidae, Amaurobiidae, Neolanidae, Ctenidae, Psechridae, Otago Museum Trust Board : 146 146
Miracanthops occidentalis     Rivera, Julio & Vergara-Cobián, Clorinda, 2017, A checklist of the praying mantises of Peru: new records, one new genus (Piscomantis gen. n.) and biogeographic remarks (Insecta, Mantodea), Zootaxa 4337 (3), pp. 361-389 : 374 374
Crocidura olivieri subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Soricomorpha, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 220-311 : 244 244
Cleistanthus occidentalis     McPherson, Gordon, 2015, Observations on Madagascan Amyrea Leandri and Tannodia Baill. (Euphorbiaceae), Candollea 70 (1), pp. 141-144 : 142 142
Euthyonidiella occidentalis     Prata, Jéssica, Manso, Cynthia Lara De Castro & Christoffersen, Martin Lindsey, 2020, Dendrochirotida (Echinodermata: Holothuroidea) from the northeastern coast of Brazil, Zootaxa 4755 (3), pp. 401-453 : 442-445 442-445
Stelis occidentalis     Parker, Frank D. & Griswold, Terry, 2013, New species of the cleptoparasitic bee genus Stelis (Hymenoptera: Megachilidae, Anthidiini) from the Nearctic Region, Zootaxa 3646 (5), pp. 529-544 : 531-532 531-532
Lasius (Acanthomyops) occidentalis   comb. rev.  Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68 : 13 13
Hipparchia azorina subsp. occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Nidalia occidentalis     Devictor, Susan T. & Morton, Steve L., 2010, Identification guide to the shallow water (0 - 200 m) octocorals of the South Atlantic Bight 2599, Zootaxa 2599 (1), pp. 1-62 : 31-32 31-32
Panopeus occidentalis     Mariño, Joany, Mendoza, María Daniela & López-Sánchez, Beatriz, 2018, Composition and abundance of decapod crustaceans in mixed seagrass meadows in the Paraguaná Peninsula, Venezuela, Iheringia, Série Zoologia (e 2018004) 108, pp. 1-10 : 10 10
Senegalia occidentalis     Miller, Joseph T. & Seigler, David, 2012, Evolutionary and taxonomic relationships of Acacia s. l. (Leguminosae: Mimosoideae), Australian Systematic Botany 25 (3), pp. 217-224 : 224 224
Trachylepis occidentalis     Santos, Bruna S., Marques, Mariana P., Bauer, Aaron M. & Ceríaco, Luis M. P., 2021, Herpetological results of Francisco Newton’s Zoological Expedition to Angola (1903 – 1906): a taxonomic revision and new records of a forgotten collection, Zootaxa 5028 (1), pp. 1-80 : 24-25 24-25
Petrolisthes occidentalis     Ferreira, Luciane Augusto De Azevedo & Anker, Arthur, 2021, An annotated and illustrated checklist of the porcelain crabs of Panama (Decapoda: Anomura), Zootaxa 5045 (1), pp. 1-154 : 107 107
Amaeana occidentalis     Nogueira, João Miguel De Matos, Carrerette, Orlemir & Hutchings, Pat, 2015, Review of Amaeana Hartman, 1959 (Annelida, Terebelliformia, Polycirridae), with descriptions of seven new species, Zootaxa 3994 (1), pp. 1-52 : 34-40 34-40
Linnaea occidentalis   comb. nov.  Christenhusz, Maarten J. M., 2013, Twins are not alone: a recircumscription of Linnaea (Caprifoliaceae), Phytotaxa 125 (1), pp. 25-32 : 29 29
Perciformes   new species  Whitley, Gilbert P., 1951, Studies in ichthyology. No. 15, Records of the Australian Museum 22, No. 4, pp. 389-408 : 398 398
Lonchorhina aurita subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Chiroptera - Family Phyllostomidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 395-426 : 405 405
Lathyrus occidentalis     Info Flora, 2021, Info Flora Schweiz - Fabaceae, https://www.infoflora.ch/de/flora/fabaceae.html (accessed 2023-10-20) : -1 -1
Serrata occidentalis   sp. nov.  Boyer, Franck, 2008, The genus Serrata Jousseaume, 1875 (Caenogastropoda: Marginellidae) in New Caledonia, Mémoires du Muséum national d'Histoire naturelle 196, pp. 389-436 : 400-401 400-401
Rodolia occidentalis     Hounkpati, Kwevitoukoui, McHugh, Joseph V., Niang, Abdoul Aziz & Goergen, Georg, 2020, Documenting museum records of West African Coccinellidae (Coleoptera) in Benin and Senegal, Biodiversity Data Journal 8, pp. 47340-47340 : 47340 47340
Euryparasitus occidentalis   sp. nov.  Hagele, Thomas, Kaufman, Bruce, Whitaker, John O., Jr & Klompen, Hans, 2005, The genus Euryparasitus in North America (Mesostigmata: Euryparasitidae), Zootaxa 1036, pp. 1-20 : 5-10 5-10
Senna occidentalis     Jiang, Kai-Wen, 2021, A change in the taxonomic rank of Senna andhrica P. V. Ramana, J. Swamy & M. Ahmed. (Fabaceae: Caesalpinioideae), Phytotaxa 512 (4), pp. 293-296 : 294 294
Gadiformes   new species  Goode, G. B. & Bean, T. H., 1885, Descriptions of new fishes obtained by the United States Fish Commission mainly from deep water off the Atlantic and Gulf coasts, Proceedings of the United States National Museum, 3 8, pp. 589-605 : 597 597
Aegus occidentalis   sp. nov.  Pathomwattananurak, Wuttipon & Jiaranaisakul, Kawin, 2024, A new species of Aegus Macleay, 1819 (Coleoptera: Lucanidae: Lucaninae: Aegini) from Thailand with checklist of the genus species from the country, Zootaxa 5453 (3), pp. 341-358 : 353 353
Ptychatractus occidentalis     Gulbin, V. V. & Chaban, E. M., 2013, Annotated list of shell-bearing gastropods of Commander Islands. Part II, The Bulletin of the Russian Far East Malacological Society 17, pp. 5-26 : 4 4
Chrysis occidentalis     Madl, M. & Rosa, P., 2012, A Catalogue of the Chrysididae (Hymenoptera: Chrysidoidea) of the Ethiopian Region excluding Malagasy Subregion, Linzer biologische Beiträge 44 (1), pp. 5-169 : 59 59
Ampullaria occidentalis     Cowie, Robert H., 2015, The recent apple snails of Africa and Asia (Mollusca: Gastropoda: Ampullariidae: Afropomus, Forbesopomus, Lanistes, Pila, Saulea): a nomenclatural and type catalogue. The apple snails of the Americas: addenda and corrigenda, Zootaxa 3940 (1), pp. 1-92 : 44 44
Perciformes   new species  Pellegrin, J., 1901, Poissons nouveaux ou rares du Congo français, Bulletin du Muséum National d’Histoire Naturelle, Série 2 7, No. 7, pp. 328-332 : 331 331
Morophagoides occidentalis     Osada, Yohei, Sakai, Makoto & Hirowatari, Toshiya, 2015, A revision of the genus Morophagoides Petersen (Lepidoptera, Tineidae) from Japan, Zootaxa 3973 (2), pp. 351-368 : 359 359
Talpa occidentalis     Russell A. Mittermeier & Don E. Wilson, 2018, Talpidae, Handbook of the Mammals of the World – Volume 8 Insectivores, Sloths and Colugos, Barcelona: Lynx Edicions, pp. 52-619 : 612-613 612-613
Plagiorchiida   new species  Montgomery, William R., 1957, Studies on digenetic trematodes from marine fishes of La Jolla, California, Transactions of the American Microscopical Society 76, pp. 13-36 : 16 16
Mycobates occidentalis     Behan-Pelletier, Valerie M. & Lindo, Zoë, 2019, Checklist of oribatid mites (Acari: Oribatida) of Canada and Alaska, Zootaxa 4666 (1), pp. 1-180 : 149 149
Colpocephalum occidentalis     Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L., 2021, An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile, Zootaxa 5077 (1), pp. 1-151 : 21 21
Otomys occidentalis     Denys, Christiane, Missoup, Alain Didier, Nicolas, Violaine, Fülling, Olaf, Delapré, Arnaud, Bilong, Charles Felix Bilong, Taylor, Peter John J. & Hutterer, Rainer, 2014, African highlands as mammal diversity hotspots: new records of Lamottemys okuensis Petter, 1986 (Rodentia: Muridae) and other endemic rodents from Mt Oku, Cameroon, Zoosystema 36 (3), pp. 647-690 : 670 670
Bombus (Bombus) occidentalis     Delphia, Casey M., Griswold, Terry, Reese, Elizabeth G., O'Neill, Kevin M. & Burkle, Laura A., 2019, Checklist of bees (Hymenoptera: Apoidea) from small diversified vegetable farms in south-western Montana, Biodiversity Data Journal 7, pp. 30062-30062 : 30062 30062
Decapoda   new species  Bate, Charles Spence, 1888, Report on the Crustacea Macrura collected by H. M. S. Challenger during the years 1873 – 76, Report on the Scientific Results of the Voyage of H. M. S. “ Challenger ” during the Years 1873 - 76 under the Command of Captain George S. Nares, R. N., F. R. S. and the Late Captain Frank Tourle Thomson, R. N., Zoology 24, No. 52, pp. 1-942 : 32 32
Cephalanthus occidentalis     Howell, Nathan, Krings, Alexander & Braham, Richard R, 2016, Guide to the littoral zone vascular flora of Carolina bay lakes (U. S. A.), Biodiversity Data Journal 4, pp. 7964-7964 : 7964 7964
Craspedocephalus occidentalis   comb. nov.  Mallik, Ashok Kumar, Srikanthan, Achyuthan Needamangalam, Ganesh, Sumaithangi Rajagopalan, Vijayakumar, Seenapuram Palaniswamy, Campbell, Patrick D., Malhotra, Anita & Shanker, Kartik, 2021, Resolving pitfalls in pit viper systematics - A multi-criteria approach to species delimitation in pit vipers (Reptilia, Viperidae, Craspedocephalus) of Peninsular India reveals cryptic diversity, Vertebrate Zoology 71, pp. 577-619 : 577 577
Rugitermes occidentalis     Krishna, Kumar, Grimaldi, David A., Krishna, Valerie & Engel, Michael S., 2013, Treatise on the Isoptera of the World, Bulletin of the American Museum of Natural History 2704 (377), pp. 200-623 : 137 137
Torodora occidentalis   sp. nov.  Park, Kyu-Tek, Bae, Yang-Seop, Kim, Sora & Heppner, John B., 2013, Genus Torodora Meyrick in Cambodia (Lepidoptera: Lecithoceridae: Torodorinae), with descriptions of three new species, Journal of Natural History 47 (35 - 36), pp. 2289-2304 : 2299-2300 2299-2300
Panopeus occidentalis     Oliveira-Rogeri, Lucas, França, Nielson Felix Caetano, Peres, Pedro Augusto & Mantelatto, Fernando L., 2023, Cleaning the mud: Integrative approach clarifies the taxonomy of mud crabs of the genus Panopeus H. Milne Edwards, 1834 (Decapoda: Brachyura: Panopeidae) along the Southwestern Atlantic, Zoologischer Anzeiger 307, pp. 96-124 : 105 105
Anthomyza occidentalis   sp. nov.  Roháček, Jindřich & Barber, Kevin N., 2017, Errata, Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 57 (2), pp. 775-789 : 779 779
Pseudomys occidentalis     Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Muridae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 536-884 : 733 733
Eucera (Hetereucera) occidentalis     Lhomme, Patrick, 2020, The wild bees (Hymenoptera: Apoidea) of Morocco, Zootaxa 4892 (1), pp. 1-159 : 50 50
Cotylogaster occidentalis     Alves, Philippe V., Vieira, Fabiano M., Santos, Cláudia P., Scholz, Tomáš & Luque, José L., 2015, A Checklist of the Aspidogastrea (Platyhelminthes: Trematoda) of the World, Zootaxa 3918 (3), pp. 339-396 : 367-369 367-369
Calodesma amica subsp. occidentalis     Laguerre, Michel, 2014, Catalogue of the Neotropical Arctiini Leach, [1815] (except Ctenuchina Kirby, 1837 and Euchromiina Butler, 1876) (Insecta, Lepidoptera, Erebidae, Arctiinae), Zoosystema 36 (2), pp. 137-533 : 431 431
Cephaloscymnus occidentalis     Gordon, Robert D. & Hanley, Guy A., 2017, South American Coccinellidae (Coleoptera), Part XVII: systematic revision of Western Hemisphere Cephaloscymnini (Coccinellinae) with description of a cryptic new genus and species of Coccidulini (Coccinellinae), Insecta Mundi 2017 (601), pp. 1-158 : 8 8
Thaumastus (Thaumastiella) occidentalis subsp. occidentalis     Breure, Abraham S. H. & Avila, Valentin Mogollon, 2016, Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae, ZooKeys 588, pp. 1-199 : 23-24 23-24
Nimbaphrynoides occidentalis     Kanga, Kouassi Philippe, Kouamé, N’Goran Germain, Zogbassé, Parfait, Gongomin, Basseu Aude-Inès, Agoh, Konan Laurent, Kouamé, Akoua Michèle, Konan, Jean Christophe B. Y. N., Adepo-Gourène, Abouo Béatrice, Gourène, Germain & Rödel, Mark-Oliver, 2021, Amphibian diversity of a West African biodiversity hotspot: an assessment and commented checklist of the batrachofauna of the Ivorian part of the Nimba Mountains, Amphibian & Reptile Conservation (e 275) 15 (1), pp. 71-107 : 80 80
Limnadopsis occidentalis   sp. nov.  Timms, Brian V., 2009, A Revision of the Australian Endemic Clam Shrimp Genus Limnadopsis Spencer & Hall (Crustacea: Branchiopoda: Spinicaudata: Limnadiidae), Records of the Australian Museum 61 (1), pp. 49-72 : 63-64 63-64
Macrostomus occidentalis     Rafael, José Albertino & Câmara, Josenir Teixeira, 2016, FAMILY EMPIDIDAE, Zootaxa 4122 (1), pp. 393-396 : 395 395
Scotonycteris occidentalis     Don E. Wilson & Russell A. Mittermeier, 2019, Pteropodidae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 16-162 : 81 81
Microstemmatodes occidentalis     Krüger, Andreas, 2019, Notes on Afrotropical Enicocephalidae and Reduviidae (Hemiptera: Heteroptera) with emphasis on vehicle-mounted net samples from Liberia, West Africa, Zootaxa 4688 (2), pp. 232-248 : 238 238
Sabeurina occidentalis   sp. nov.  Deeming, John C., 2018, A revision of the Afrotropical species of Pachylophus Loew (Diptera: Chloropidae) and some related Ovoviviparous genera, Zootaxa 4482 (1), pp. 1-51 : 29-31 29-31
Novius occidentalis   comb. nov.  Pang, Hong, Tang, Xue-Fei, Booth, Roger G., Vandenberg, Natalia, Forrester, Juanita, Mchugh, Joseph & Ślipiński, Adam, 2020, Revision Of The Australian Coccinellidae (Coleoptera). Genus Novius Mulsant Of Tribe Noviini, Annales Zoologici 70 (1), pp. 1-24 : 20 20
Astylosternus occidentalis     Kanga, Kouassi Philippe, Kouamé, N’Goran Germain, Zogbassé, Parfait, Gongomin, Basseu Aude-Inès, Agoh, Konan Laurent, Kouamé, Akoua Michèle, Konan, Jean Christophe B. Y. N., Adepo-Gourène, Abouo Béatrice, Gourène, Germain & Rödel, Mark-Oliver, 2021, Amphibian diversity of a West African biodiversity hotspot: an assessment and commented checklist of the batrachofauna of the Ivorian part of the Nimba Mountains, Amphibian & Reptile Conservation (e 275) 15 (1), pp. 71-107 : 78 78
Xantho occidentalis     González, José A., 2018, Checklists of Crustacea Decapoda from the Canary and Cape Verde Islands, with an assessment of Macaronesian and Cape Verde biogeographic marine ecoregions, Zootaxa 4413 (3), pp. 401-448 : 429-430 429-430
Anisepyris occidentalis     Barbosa, Diego N. & Azevedo, Celso O., 2018, Revision of Anisepyris Kieffer (Hymenoptera, Bethylidae), with description of 135 new species, Zootaxa 4416 (1), pp. 1-258 : 102 102
Dicrurus occidentalis     Boano, Giovanni, Belemsobgo, Urbain, Silvano, Fabrizio, Hema, Emmanuel M., Belemsobgo, Aristide, Dimobe, Kangbéni & Pavia, Marco, 2022, An annotated checklist of the birds of Burkina Faso, Zoosystema 44 (2), pp. 27-107 : 72-73 72-73
Ocnerodrilus occidentalis     Misirlioğlu, İbrahim Mete & Stojanović, Mirjana, 2018, Distribution of non-lumbricid earthworms (Clitellata: Acanthodrilidae, Criodrilidae, Megascolecidae and Ocnerodrilidae) on the Balkans and Anatolia with first record of Amynthas morrisi (Beddard, 1892) from Turkey, Zootaxa 4496 (1), pp. 197-205 : 201 201
Chrysina occidentalis   sp. nov.  Robacker, David C., Hawks, David C., Castillo, Naidely & Miranda, Brianna, 2022, A new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) from the Sierra Madre Occidental of Mexico, with notes on the type locality of Chrysina adelaida (Hope, 1841), Insecta Mundi 2022 (955), pp. 1-14 : 10-13 10-13
Pseudovermilia occidentalis     Bastida-Zavala, J. Rolando, McCANN, Linda D., Keppel, Erica & Ruiz, Gregory M., 2017, The fouling serpulids (Polychaeta: Serpulidae) from United States coastal waters: an overview, European Journal of Taxonomy 344, pp. 1-76 : 46-48 46-48
Panopeus occidentalis     Coelho, Petrônio Alves, Almeida, Alexandre Oliveira De & Bezerra, Luis Ernesto Arruda, 2008, Checklist of the marine and estuarine Brachyura (Crustacea: Decapoda) of northern and northeastern Brazil, Zootaxa 1956 (1), pp. 1-58 : 34 34
Barraina occidentalis   sp. nov.  Richardson, Barry J., 2022, Additions to the euophryine jumping spider fauna (Araneae: Salticidae) of Australia, Zootaxa 5141 (3), pp. 249-269 : 257-259 257-259
Abida occidentalis     Kokshoorn, Bas & Gittenberger, Edmund, 2010, Chondrinidae taxonomy revisited: New synonymies, new taxa, and a checklist of species and subspecies (Mollusca: Gastropoda: Pulmonata) 2539, Zootaxa 2539 (1), pp. 1-62 : 24 24
Tetronarce occidentalis     Jones, Christian M., Driggers Iii, William B., Hannan, Kristin M., Hoffmayer, Eric R., Jones, Lisa M. & Raredon, Sandra J., 2020, An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea, Zootaxa 4803 (2), pp. 281-315 : 286 286
Eriocoma occidentalis     Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J. & Reyna, Jesus Valdes, 2019, A key to the North American genera of Stipeae (Poaceae, Pooideae) with descriptions and taxonomic names for species of Eriocoma, Neotrinia, Oloptum, and five new genera: Barkworthia, x Eriosella, Pseudoeriocoma, Ptilagrostiella, and Thorneochloa, PhytoKeys 126, pp. 89-125 : 96 96
Manayunkia occidentalis   sp. nov.  Atkinson, Stephen D., Bartholomew, Jerri L. & Rouse, Greg W., 2020, The invertebrate host of salmonid fish parasites Ceratonova shasta and Parvicapsula minibicornis (Cnidaria: Myxozoa), is a novel fabriciid annelid, Manayunkia occidentalis sp. nov. (Sabellida: Fabriciidae), Zootaxa 4751 (2), pp. 310-320 : 313-315 313-315
Auchenoglanis occidentalis     Rensburg, Candice Jansen van, van As, Jo G. & King, Pieter H., 2013, New records of digenean parasites of Clarias gariepinus (Pisces: Clariidae) from the Okavango Delta, Botswana, with description of Thaparotrema botswanensis sp. n. (Plathelminthes: Trematoda), African Invertebrates 54 (2), pp. 431-431 : 436 436
Hebanthe occidentalis     Ramella, Lorenzo, 2016, Nomenclatura, tipificaciones y sinónimos nuevos en la familia Amaranthaceae de la Flora del Paraguay, Candollea 71 (2), pp. 311-326 : 320 320
Eocyzicus occidentalis   sp. nov.  Tippelt, Lisa & Schwentner, Martin, 2018, Taxonomic assessment of Australian Eocyzicus species (Crustacea: Branchiopoda: Spinicaudata), Zootaxa 4410 (3), pp. 401-452 : 436-437 436-437
Colpocephalum occidentalis     Sánchez-Montes, Sokani, Colunga-Salas, Pablo, Álvarez-Castillo, Lucía, Guzmán-Cornejo, Carmen & Montiel-Parra, Griselda, 2018, Chewing lice (Insecta: Phthiraptera) associated with vertebrates in Mexico, Zootaxa 4372 (1), pp. 1-109 : 13 13
Avakubia occidentalis   sp. nov.  de Winter, A. J. & Vastenhout, N., 2013, Revision of the Afrotropical land snail genus Avakubia Pilsbry, 1919, with description of Pseudavakubia gen. n. and eleven new species (Gastropoda: Pulmonata: Streptaxidae), African Invertebrates 54 (2), pp. 605-663 : 635-637 635-637
Stenobothrus occidentalis     Hollier, John, 2012, An annotated list of the Orthoptera (Insecta) species described by Henri de Saussure, with an account of the primary type material housed in the Muséum d’histoire naturelle de Genève, Part 3: The Acridoidea excluding the Acrididae: Oedipodinae, Revue suisse de Zoologie 119 (3), pp. 303-339 : 324 324
Pseudonodosaria occidentalis     Ismail, Ahmed A., 2012, Late Cretaceous-Early Eocene benthic foraminifera from Esh El Mallaha area, Egypt, Revue de Paléobiologie 31 (1), pp. 15-50 : 34 34
Hoplitis (Alcidamea) occidentalis     Lhomme, Patrick, 2020, The wild bees (Hymenoptera: Apoidea) of Morocco, Zootaxa 4892 (1), pp. 1-159 : 98 98
Cyprinodontiformes   new species  Baird, S. F. & Girard, Charles Frédéric, 1853, Descriptions of new species of fishes collected by Mr. John H. Clark, on the U. S. and Mexican Boundary Survey, under Lt. Col. Jas. D. Graham, Proceedings of the Academy of Natural Sciences of Philadelphia 6, pp. 387-390 : 390 390
Tricellaria occidentalis     Dyrynda, P. E. J., Fairall, V. R., Ambrogi, A. Occhipinti & d’Hondt, J. - L., 2000, The distribution, origins and taxonomy of Tricellaria inopinata d’Hondt and Occhipinti Ambrogi, 1985, an invasive bryozoan new to the Atlantic, Journal of Natural History 34 (10), pp. 1993-2006 : 2001-2003 2001-2003
Coccyzus americanus subsp. occidentalis     Sánchez-Montes, Sokani, Colunga-Salas, Pablo, Álvarez-Castillo, Lucía, Guzmán-Cornejo, Carmen & Montiel-Parra, Griselda, 2018, Chewing lice (Insecta: Phthiraptera) associated with vertebrates in Mexico, Zootaxa 4372 (1), pp. 1-109 : 72 72
Megochterus occidentalis     Kment, Petr, Carapezza, Attilio & Jindra, Zdeněk, 2020, Taxonomic catalogue of the family Ochteridae with description of Ochterus papaceki sp. nov. from Socotra Island and Tanzania (Hemiptera: Heteroptera), Acta Entomologica Musei Nationalis Pragae 60 (1), pp. 23-64 : 30 30
Torpedo occidentalis   new species  Storer, D. H., 1843, Description of a new species of Torpedo, The American Journal of Science, Series 3 45, pp. 165-170 : 166 166
Celeus torquatus subsp. occidentalis     Vitorino, Breno Dias, Vilas Boas da Frota, Angélica, Ikeda Castrillon, Solange Kimie & Nunes, Josué Ribeiro da Silva, 2018, Birds of Estação Ecológica da Serra das Araras, state of Mato Grosso, Brazil: additions and review, Check List 14 (5), pp. 893-922 : 904 904
Ischnocoelia occidentalis subsp. occidentalis     Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), Zootaxa 4919 (1), pp. 1-68 : 13 13
Araneae   new species  Nakano, Takafumi, Ihara, Yoh, Kumasaki, Yusuke, Baba, Yuki G. & Tomikawa, Ko, 2017, Evaluation of the systematic status of geographical variations in Arcuphantes hibanus (Arachnida: Araneae: Linyphiidae), with descriptions of two new species, Zoological Science 34, No. 4, pp. 331-344 : 339 339
Blastopsylla occidentalis     Burckhardt, Daniel & Queiroz, Dalva Luiz De, 2012, Checklist and comments on the jumping plant-lice (Hemiptera: Psylloidea) from Brazil, Zootaxa 3571, pp. 26-48 : 33 33
Chirindia occidentalis     GANS, CARL, 2005, Checklist And Bibliography Of The Amphisbaenia Of The World, Bulletin of the American Museum of Natural History 2005 (289), pp. 1-130 : 27 27
Hokkaidoconcha occidentalis     Kaim, Andrzej, Jenkins, Robert G., Tanabe, Kazushige & Kiel, Steffen, 2014, Mollusks from late Mesozoic seep deposits, chiefly in California, Zootaxa 3861 (5), pp. 401-440 : 414 414
Typhlodromus occidentalis key    Ma, Min, Li, Sheng-Cai & Fan, Qing-Hai, 2015, Mites and ticks (Acari) in Shanxi Province, China: an annotated checklist, Zootaxa 4006 (1), pp. 1-39 : 15 15
Ocnerodrilus occidentalis     Rota, Emilia, 2013, From Corsica to Britain: new outdoor records of Ocnerodrilidae (Annelida: Clitellata) in western Europe, Biodiversity Data Journal 1, pp. 985-985 : 985 985
Homorocoryphus occidentalis     Chamorro-Rengifo, Juliana & Braun, Holger, 2010, The Tettigoniidae (Orthoptera) described by Salvador de Toledo Piza Jr. and deposited in the collection of the University of São Paulo, Escola Superior de Agricultura " Luiz de Queiroz ", Brazil, Zootaxa 2635, pp. 41-66 : 51 51
Aphaenogaster occidentalis     Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae), Zootaxa 936, pp. 1-68 : 31 31
Laccophilus occidentalis   sp. n.  Bistroem, Olof, Nilsson, Anders N. & Bergsten, Johannes, 2015, Taxonomic revision of Afrotropical Laccophilus Leach, 1815 (Coleoptera, Dytiscidae), ZooKeys 542, pp. 1-379 : 246-247 246-247
Xyela occidentalis     Blank, Stephan M., Shinohara, Akihiko & Altenhofer, Ewald, 2013, <strong> The Eurasian species of <em> Xyela </ em> (Hymenoptera, Xyelidae): taxonomy, host plants and distribution </ strong>, Zootaxa 3629 (1), pp. 1-106 : 33-34 33-34
Gretacarus occidentalis     Orginal, Harry Smit, 2021, The water mites of Western Australia (Acari: Hydrachnidia), with the description of 13 new species, Acarologia 61 (4), pp. 928-966 : 961 961
Blastopsylla occidentalis     Suh, Soo-Jung & Choi, Deuk-Soo, 2020, Using DNA barcoding for identification of some psyllids (Hemiptera: Psylloidea) intercepted at South Korea ports-of-entry, Insecta Mundi 2020 (816), pp. 1-10 : 5 5
Phlaeopterus occidentalis   sp. nov.  Mullen, Logan J., Campbell, J. M. & Sikes, Derek S., 2018, Taxonomic Revision of the Rove Beetle Genus Phlaeopterus Motschulsky, 1853 (Coleoptera: Staphylinidae: Omaliinae: Anthophagini), The Coleopterists Bulletin 72, pp. 1-1 : 1--1 1--1
Forbesia occidentalis     Snijman, Deirdre A. & Kocyan, Alexander, 2013, The genus Pauridia (Hypoxidaceae) amplified to include Hypoxis sect. Ianthe, Saniella and Spiloxene, with revised nomenclature and typification, Phytotaxa 116 (1), pp. 19-33 : 24 24
Frankliniella occidentalis     Matsunaga, Janis N., Howarth, Francis G. & Kumashiro, Bernarr R., 2019, New State Records and Additions to the Alien Terrestrial Arthropod Fauna in the Hawaiian Islands, Proceedings of the Hawaiian Entomological Society 51 (1), pp. 1-71 : 15 15
Arctorthezia occidentalis     Szita, Eva, Kaydan, Mehmet Bora, Benedicty, Zsuzsanna Konczne, Tanaka, Hirotaka, Fetyko, Kinga & Kozar, Ferenc, 2015, The genus Arctorthezia Cockerell (Hemiptera, Ortheziidae) with the description of a new species, ZooKeys 472, pp. 59-75 : 66 66
Reinmara occidentalis   sp. n.  Laurent, Ryan A. St, Herbin, Daniel & Mielke, Carlos G. C., 2017, Revision of the genus Reinmara Schaus, 1928 (Lepidoptera, Mimallonoidea, Mimallonidae) with the descriptions of four new species from South America, ZooKeys 677, pp. 97-129 : 106-108 106-108
Acontias occidentalis     Lamb, Trip, Biswas, Sayantan & Bauer, Aaron M., 2010, A phylogenetic reassessment of African fossorial skinks in the subfamily Acontinae (Squamata: Scincidae): evidence for parallelism and polyphyly, Zootaxa 2657, pp. 33-46 : 43 43
Xyphomyrmex occidentalis     Bernard, F., 1953, La reserve naturelle integrale du Mt Nimba. XI. Hymenopteres Formicidae., Memoires de l'Institut Francais d'Afrique Noire 19, pp. 165-270 : 251 251
Hoplophoneus occidentalis     Therrien, François, 2005, Feeding behaviour and bite force of sabretoothed predators, Zoological Journal of the Linnean Society 145 (3), pp. 393-426 : 425-426 425-426
Colobaea occidentalis   sp. nov.  Knutson, Lloyd V., Deeming, John C. & Ebejer, Martin J., 2018, The Snail-killing Flies (Diptera: Sciomyzidae) of West Africa, Zootaxa 4483 (1), pp. 67-100 : 70-72 70-72
Araneae   new species  Saito, Hiroshi & Ono, Hirotsugu, 2001, New genera and species of the spider family Linyphiidae (Arachnida, Araneae) from Japan, Bulletin of the National Science Museum, Series A (Zoology) 27, No. 1, pp. 1-59 : 56 56
Bombus (Bombus) occidentalis     Reese, Elizabeth G., Burkle, Laura A., Delphia, Casey M. & Griswold, Terry, 2018, A list of bees from three locations in the Northern Rockies Ecoregion (NRE) of western Montana, Biodiversity Data Journal 6, pp. 27161-27161 : 27161 27161
Pelecanus occidentalis     Ortega-Olivares, Mirza P., García-Prieto, Luis & García-Varela, Martín, 2014, Gryporhynchidae (Cestoda: Cyclophyllidea) in Mexico: species list, hosts, distribution and new records, Zootaxa 3795 (2), pp. 101-125 : 108 108
Nannotrigona occidentalis   sp. nov.  Jaramillo, Joanna, Ospina, Rodulfo & Gonzalez, Victor H., 2019, Stingless bees of the genus Nannotrigona Cockerell (Hymenoptera: Apidae Meliponini) in Colombia, Zootaxa 4706 (2), pp. 349-365 : 358-360 358-360
Galinthias occidentalis     Moulin, Nicolas, Decaens, Thibaud & Annoyer, Philippe, 2017, Diversity of mantids (Dictyoptera: Mantodea) of Sangha-Mbaere Region, Central African Republic, with some ecological data and DNA barcoding, Journal of Orthoptera Research 26 (2), pp. 117-141 : 124 124
Axinidris occidentalis     Snelling, R. R., 2007, A review of the arboreal Afrotropical ant genus Axinidris., Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. (Memoirs of the American Entomological Institute 80), pp. 551-579 : 568-569 568-569
Parastilodes striatipennis subsp. occidentalis     Sampaio, Aline & Fonseca, Claudio Ruy Vasconcelos Da, 2023, Catalog of the Chrysomelinae (Coleoptera: Chrysomelidae) deposited in the entomological collections of the Instituto Nacional de Pesquisas da Amazônia (INPA) and the Universidade Federal do Amazonas (UFAM), Manaus, Brazil, with an illustrated key for the genera occurring in Brazil (except Aeneolucentia,, Zootaxa 5351 (1), pp. 37-71 : 47 47
Steatonyssus occidentalis     Orlova, M. V., Klimov, P. B., Orlov, O. L., Smirnov, D. G., Zhigalin, A. V., Budaeva, I. V., Emelyanova, A. A. & Anisimov, N. V., 2021, A checklist of bat-associated macronyssid mites (Acari: Gamasina: Macronyssidae) of Russia, with new host and geographical records, Zootaxa 4974 (3), pp. 537-564 : 552 552
Thuja occidentalis     Info Flora, 2021, Info Flora Schweiz - Cupressaceae, https://www.infoflora.ch/de/flora/cupressaceae.html (accessed 2023-10-20) : -1 -1
Orconectes (Buannulifictus) occidentalis     Johnson, Daniel P., 2010, Four new crayfishes (Decapoda: Cambaridae) of the genus Orconectes from Texas, Zootaxa 2626, pp. 1-45 : 19-31 19-31
Lepidotus occidentalis   sp. nov.  Leidy, J., 1856, Notice of remains of extinct reptiles and fishes, discovered by Dr. FV Hayden in the Bad Lands of the Judith River, Nebraska Territory., Proceedings of the Academy of Natural Sciences of Philadelphia 8, No. 7, pp. 72-73 : 73 73
Mimops occidentalis     Lewis, John G. E., 2006, On the scolopendromorph centipede genus Mimops Kraepelin, 1903, with a description of a new family (Chilopoda: Scolopendromorpha), Journal of Natural History 40 (19 - 20), pp. 1231-1239 : 1235-1237 1235-1237
Salcedia occidentalis   sp. nov.  Balkenohl, Michael, 2020, Salcedia FAIRMAIRE, 1899 from Africa with descriptions of the two new species S. bembereka nov. sp. and S. occidentalis nov. sp. (Coleoptera, Carabidae, Scaritinae, Salcediini), Linzer biologische Beiträge 52 (1), pp. 127-140 : 133-135 133-135
Roncocreagris occidentalis   sp. nov.  Reboleira, Ana Sofia P. S., Zaragoza, Juan A., Gonçalves, Fernando & Oromí, Pedro, 2013, On hypogean Roncocreagris (Arachnida: Pseudoscorpiones: Neobisiidae) from Portugal, with descriptions of three new species, Zootaxa 3670 (2), pp. 283-299 : 294-297 294-297
Ischnocoelia occidentalis subsp. blumburyensis     Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), Zootaxa 4919 (1), pp. 1-68 : 13 13
Otomys occidentalis     Guy G. Musser & Michael D. Carleton, 1993, Order Rodentia - Family Muridae, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 501-755 : 681 681
Thuja occidentalis     Webster, Reginald, McCoqrquodale, David & Majka, Christopher, 2009, New records of Cerambycidae (Coleoptera) for New Brunswick, Nova Scotia, and Prince Edward Island, Canada, ZooKeys 22 (22), pp. 285-308 : 294 294
Panopeus occidentalis     Mantelatto, Fernando L., Tamburus, Ana Francisca, Magalhães, Tatiana, Buranelli, Raquel C., Terossi, Mariana, Negri, Mariana, Castilho, Antonio L., Costa, Rogério C. & Zara, Fernando J., 2020, Checklist of decapod crustaceans from the coast of the São Paulo state (Brazil) supported by integrative molecular and morphological data: III. Infraorder Brachyura Latreille, 1802, Zootaxa 4872 (1), pp. 1-108 : 75-76 75-76
Brachyhypopomus occidentalis     Angulo, Arturo, 2021, New records and range extensions to the Costa Rican freshwater fish fauna, with an updated checklist, Zootaxa 5083 (1), pp. 1-72 : 29 29
Braunsia occidentalis     Madl, Michael, 2022, A catalogue of the Braconidae (Hymenoptera, Ichneumonoidea) of Eritrea, Linzer biologische Beiträge 54 (1), pp. 203-218 : 204 204
Alabes occidentalis   sp. nov.  Hutchin, Barry & Morrison, Sue, 2004, Five New Fish Species of the Genus Alabes (Gobiesocidae: Cheilobranchinae), Records of the Australian Museum 56 (2), pp. 147-158 : 153-154 153-154
Lophocampa occidentalis   sp. nov.  Vincent, Benoit, 2020, Description of five new Lophocampa Harris from the Dominican Republic (Lepidoptera, Erebidae, Arctiinae), Zootaxa 4780 (1), pp. 93-106 : 95 95
Diptera   new species  Bowden, John, 1959, Studies in African Bombyliidae. I. Two new species of Antonia Loew, Journal of the Entomological Society of Southern Africa 22, No. 1, pp. 13-17 : 13 13
Arytinnis occidentalis     Bastin, Saskia, Burckhardt, Daniel, Reyes-Betancort, Alfredo, Hernández-Suárez, Estrella & Ouvrard, David, 2023, A review of the jumping plant-lice (Hemiptera: Psylloidea) of the Canary Islands, with descriptions of two new genera and sixteen new species, Zootaxa 5313 (1), pp. 1-98 : 37 37
Iomachus politus subsp. occidentalis     Monod, Lionel, Duperre, Nadine & Harms, Danilo, 2019, An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003, Evolutionary Systematics 3 (2), pp. 109-200 : 109 109
Ponera (Hypoponera) occidentalis   n.sp.  Bernard, F., 1953, La reserve naturelle integrale du Mt Nimba. XI. Hymenopteres Formicidae., Memoires de l'Institut Francais d'Afrique Noire 19, pp. 165-270 : 205-206 205-206
Cladosiphon occidentalis     Coppejans, Eric, Leliaert, Frederik, Verbruggen, Heroen, de Clerck, Olivier, Schils, Tom, de Vriese, Thomas & Marie, Daniel, 2004, The marine green and brown algae of Rodrigues (Mauritius, Indian Ocean), Journal of Natural History 38 (23), pp. 2959-3020 : 3004-3005 3004-3005
Perissodactyla   new species  Cooper, Lisa Noelle, Seiffert, Erik R., Clementz, Mark, Madar, Sandra I., Bajpai, Sunil & Thewissen, J. G. M., 2014, Anthracobunids from the Middle Eocene of India and Pakistan are Stem Perissodactyls, Public Library of Science, ONE 9, No. 10, pp. 109232-109232 : 109232--1 109232--1
Cabdio occidentalis   sp. nov.  Jouladeh-Roudbar, Arash, Vatandoust, Saber, Ghanavi, Hamid Reza & Freyhof, Jörg, 2023, Cabdio occidentalis, a new species from Lake Mashkid basin and the Makran region (Teleostei: Danionidae), Zootaxa 5360 (3), pp. 437-447 : 441-444 441-444
Liopygus occidentalis   sp. nov.  Lackner, Tomáš & Vienna, Pierpaolo, 2017, Histeridae of Socotra (Coleoptera: Histeroidea), Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 57, pp. 55-76 : 61-64 61-64
Setanodosa occidentalis     Silveira, Tatiana Cristina Da & Mendonça, Maria Cleide De, 2019, Checklist of Poduromorpha (Collembola: Hexapoda) from Rio de Janeiro, Brazil, Zootaxa 4656 (3), pp. 572-590 : 576 576
Pinnixa occidentalis     Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 260 260
Ptilomera (Ptilomera) occidentalis     Jehamalar, E. Eyarin, Chandra, Kailash, Basu, Srimoyee & Selvakumar, C., 2018, Review of Ptilomera (Ptilomera) (Hemiptera: Heteroptera: Gerridae) from India, with description of a new species, Zootaxa 4370 (5), pp. 501-518 : 511 511
Pseudanophthalmus occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 311-312 311-312
Cyana (Cornutivulpecula) occidentalis   sp. nov.  Volynkin, Anton V. & László, Gyula M., 2020, Review of the Cyana rejecta (Walker, 1854) species-group, with descriptions of three new species from mainland Africa and a new subspecies from Madagascar (Lepidoptera, Erebidae, Arctiinae, Lithosiini), Zootaxa 4890 (3), pp. 330-346 : 336-339 336-339
Peripatopsidae Kumbadjena occidentalis   new species  Reid, Amanda, 2002, Western Australian Onychophora (Peripatopsidae): a new genus, Kumbadjena, for a southern species-complex, Records of the Western Australian Museum 21, pp. 129-155 : 132 132
Psammodromus occidentalis     García-Díez, Teresa & González-Fernández, José E., 2013, The reptile type specimens preserved in the Museo Nacional de Ciencias Naturales (CSIC) of Madrid, Spain, Zootaxa 3619 (1), pp. 46-58 : 57 57
Ropalopus (Ropalopus) ungaricus subsp. occidentalis   subsp. nov.  López, Marcos A. & Baena, Manuel, 2022, A new subspecies of Ropalopus (Ropalopus) ungaricus (Herbst, 1784) from southern Spain, Ropalopus (Ropalopus) ungaricus occidentalis ssp. nov. (Coleoptera: Cerambycidae), Zootaxa 5154 (5), pp. 557-576 : 558-570 558-570
Cephalanthus occidentalis     Webster, Reginald, McCoqrquodale, David & Majka, Christopher, 2009, New records of Cerambycidae (Coleoptera) for New Brunswick, Nova Scotia, and Prince Edward Island, Canada, ZooKeys 22 (22), pp. 285-308 : 293 293
Perciformes   new species  Goode, G. B. & Bean, T. H., 1896, Oceanic Ichthyology, a treatise on the deep-sea and pelagic fishes of the world, based chiefly upon the collections made by the steamers Blake, Albatross, and Fish Hawk in the northwestern Atlantic, with an atlas containing 417 figures, Special Bulletin of the United States National Museum 2, pp. 1-26 : 233 233
Sessilia   new species  Stubbings, H. G., 1961, Cirripedia Thoracica from tropical West Africa, Atlantide report. 6: scientific results of the Danish expedition to the coasts of tropical West Africa 1945 - 1946 6, pp. 7-41 : 34 34
Euthyonidiella occidentalis     Martins, Luciana, Marques, Alexandre Oliveira, Fukuda, Marcelo Veronesi & Tavares, Marcos, 2022, An annotated catalogue of Echinodermata types in the Museu de Zoologia, Universidade de São Paulo, Brazil, Papéis Avulsos de Zoologia 62, pp. 1-11 : 6 6
Amytta occidentalis     Heller, Klaus-Gerhard, 2019, Provisional checklist of the Tettigonioidea (Insecta: Orthoptera) from São Tomé & Príncipe with taxonomic remarks, bioacoustical data and the description of new taxa, Zootaxa 4563 (1), pp. 41-66 : 55 55
Lophostoma occidentalis     Velazco, Paúl M. & Cadenillas, Richard, 2011, On the identity of Lophostoma silvicolum occidentalis (Davis & Carter, 1978) (Chiroptera: Phyllostomidae), Zootaxa 2962, pp. 1-20 : 11-16 11-16
Molothrus occidentalis     LeCroy, Mary, 2013, Type Specimens Of Birds In The American Museum Of Natural History Part 11. Passeriformes: Parulidae, Drepanididae, Vireonidae, Icteridae, Fringillinae, Carduelinae, Estrildidae, And Viduinae, Bulletin of the American Museum of Natural History 2013 (381), pp. 1-155 : 57 57
Caccothryptus occidentalis   sp. nov.  Hernando, Carles & Ribera, Ignacio, 2017, Three new species of the genus Caccothryptus Sharp, 1902 from Asia (Coleoptera: Limnichidae), Zootaxa 4243 (2), pp. 366-370 : 366-367 366-367
Pristoderus occidentalis   sp. nov.  Turco, Federica, Ślipiński, Adam & Lambkin, Christine L., 2012, Taxonomic revision of Australian Pristoderus Hope (Coleoptera, Zopheridae), Zootaxa 3239, pp. 1-34 : 15-16 15-16
Thrasops occidentalis     Segniagbeto, Gabriel Hoinsoude, Trape, Jean François, David, Patrick, Ohler, Annemarie, Dubois, Alain & Glitho, Isabelle Adolé, 2011, The snake fauna of Togo: systematics, distribution and biogeography, with remarks on selected taxonomic problems, Zoosystema 33 (3), pp. 325-360 : 336-337 336-337
Alastor occidentalis     Usenleitner, Gusenleitner, J. & Madl, M., 2009, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part I: Introduction, Key to Genera, Genera Aethiopicodynerus GUSENLEITNER 1997 to Cyrtolabulus van der VECHT 1969, Linzer biologische Beiträge 41 (1), pp. 513-638 : 629 629
Pachyrhynchus occidentalis   sp. nov.  Rukmane, Anita, 2017, New Species Of The Genus Pachyrhynchus Germar (Coleoptera, Curculionidae, Entiminae) From The Greater Mindanao Pleistocene Aggregate Island Complex (Philippines), Acta Biologica Universitatis Daugavpiliensis 17 (1), pp. 85-95 : 91-93 91-93
Celtis occidentalis     Info Flora, 2021, Info Flora Schweiz - Cannabaceae, https://www.infoflora.ch/de/flora/cannabaceae.html (accessed 2023-10-20) : -1 -1
Pelecanus occidentalis     Guzmán-Cornejo, Carmen, Herrera-Mares, Angel, Robbins, Richard G. & Rebollo-Hernández, Andrea, 2019, The soft ticks (Parasitiformes: Ixodida: Argasidae) of Mexico: species, hosts, and geographical distribution, Zootaxa 4623 (3), pp. 485-525 : 497 497
Thaumastus (Thaumastiella) occidentalis subsp. debilisculptus     Breure, Abraham S. H. & Avila, Valentin Mogollon, 2016, Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae, ZooKeys 588, pp. 1-199 : 24 24
Proteophylus occidentalis   sp. nov.  Randall T. Schuh & Michael D. Schwartz, 2016, Nineteen new genera and 82 new species of Cremnorrhinina from Australia, including analyses of host relationships and distributions (Insecta: Hemiptera: Miridae: Phylininae: Cremnorrhinini), Bulletin of the American Museum of Natural History 401, pp. 1-279 : 169 169
Raptrix occidentalis     Schwarz, Christian J., Ehrmann, Reinhard, Stiewe, Martin B. D., Mörtter, Rolf & Falkenberg, Michael, 2020, Mantodea of Panguana (Insecta: Dictyoptera), Zootaxa 4824 (1), pp. 1-66 : 39 39
Stiliderus occidentalis     Assing, Volker, 2016, On Stilicoderus and Stiliderus V. Two new species, additional records, and a catalogue (Coleoptera: Staphylinidae: Paederinae), Linzer biologische Beiträge 48 (1), pp. 281-300 : 291 291
Senna occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part C), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 370-473 : 392 392
Lepidotus occidentalis     Lambe L. M., 1902, New genera and species from the Belly River Series (mid-Cretaceous), Geological Survey of Canada Contributions to Canadian Palaeontology 3, pp. 25-81 : 29 29
Polygenis (Polygenis) occidentalis subsp. occidentalis     Lareschi, Marcela, Sanchez, Juliana & Autino, Analía, 2016, A review of the fleas (Insecta: Siphonaptera) from Argentina, Zootaxa 4103 (3), pp. 239-258 : 253 253
Idalus occidentalis     Silva, Karoline M. O., Câmara, Joseleide T. & Teston, José A., 2023, An annotated catalogue of the Phaegopterina (Erebidae, Arctiinae, Arctiini) of state of Maranhão, Brazil, Zootaxa 5285 (1), pp. 1-40 : 18 18
Pholidostachys occidentalis   sp. nov.  Henderson, Andrew, 2012, A revision of Pholidostachys (Arecaceae), Phytotaxa 43, pp. 1-48 : 12-13 12-13
Dondice occidentalis     Gutiérrez, Manuel Caballer, Ortea, Jesús, Rivero, Nelsy, Tucker, Gabriela Carias, Malaquias, Manuel António E. & Narciso, Samuel, 2015, The opisthobranch gastropods (Mollusca: Heterobranchia) from Venezuela: an annotated and illustrated inventory of species, Zootaxa 4034 (2), pp. 201-256 : 235-236 235-236
Astylosternus occidentalis     Griesbaum, Frederic, Hirschfeld, Mareike, F. Barej, Michael, Schmitz, Andreas, Rohrmoser, Mariam, Dahmen, Matthias, Muehlberger, Fabian, Christoph Liedtke, H., L. Gonwouo, Nono, Doumbia, Joseph & Roedel, Mark-Oliver, 2019, Tadpoles of three western African frog genera: Astylosternus Werner, 1898, Nyctibates Boulenger, 1904, and Scotobleps Boulenger, 1900 (Amphibia, Anura, Arthroleptidae), Zoosystematics and Evolution 95 (1), pp. 133-160 : 141-143 141-143
Stylommatophora   new species  Köhler, Frank, 2011, The camaenid species of the Kimberley Islands, Western Australia (Stylommatophora: Helicoidea), Malacologia 54, No. 1, pp. 203-406 : 307 307
subsp. occidentalis     Santschi, F., 1915, Nouvelles fourmis d'Afrique., Annales de la Société Entomologique de France 84, pp. 244-282 : 252 252
Frankliniella occidentalis     Elie, Ntirenganya, Yajin, Li, Yanlan, Xie, Yanli, Zhou & Hongrui, Zhang, 2021, Checklist of the suborder Terebrantia (Thysanoptera): generic diversity and species composition in Xishuangbanna, Yunnan Province, China, Biodiversity Data Journal 9, pp. 72670-72670 : 72670 72670
Kronopolites occidentalis     Golovatch, Sergei I. & Wesener, Thomas, 2016, A species checklist of the millipedes (Myriapoda, Diplopoda) of India, Zootaxa 4129 (1), pp. 1-75 : 47 47
Uncinocythere occidentalis     Williams, Bronwyn W. & Weaver, Patricia G., 2018, A historical review of the taxonomy and classification of Entocytheridae (Crustacea: Ostracoda: Podocopida), Zootaxa 4448 (1), pp. 1-129 : 92 92
Pseudalus leos subsp. occidentalis     Laguerre, Michel, 2014, Catalogue of the Neotropical Arctiini Leach, [1815] (except Ctenuchina Kirby, 1837 and Euchromiina Butler, 1876) (Insecta, Lepidoptera, Erebidae, Arctiinae), Zoosystema 36 (2), pp. 137-533 : 392 392
Cardioglossa occidentalis     Conradie, Werner, Branch, William R. & Watson, Gillian, 2015, Type specimens in the Port Elizabeth Museum, South Africa, including the historically important Albany Museum collection. Part 1: Amphibians, Zootaxa 3936 (1) : -1 -1
Heterochaeta occidentalis     Greyvenstein, Bianca, van den Berg, Johnnie & du Plessis, Hannalene, 2023, Documenting Mantodea species in South African museum collections and an updated species list, Biodiversity Data Journal 11, pp. 102637-102637 : 102637 102637
Cephalanthus occidentalis     Romero, Maria Florencia, Gonzalez, Ana Maria & Salas, Roberto Manuel, 2023, Sylvainia, a new monospecific genus within the subtribe Cephalanthinae (Rubiaceae, Naucleeae), Plant Ecology and Evolution 156 (1), pp. 85-111 : 85 85
Gadiformes   new species  Iwamoto, Tomio, 1979, Eastern Pacific macrourine grenadiers with seven branchiostegal rays (Pisces: Macrouridae), Proceedings of the California Academy of Sciences, Series 4 42, No. 5, pp. 135-179 : 143 143
Okanagana occidentalis     Cole, Jeffrey A., Chatfield-Taylor, Will, Smeds, Elliott A., Cooley, John R., Gonzalez, Valorie A. & Wong, Caressa, 2023, Phylogeny of North America’s largest cicada radiation redefines Tibicinoides and Okanagana (Hemiptera: Auchenorrhyncha: Cicadidae: Tibicininae), Zootaxa 5346 (5), pp. 501-531 : 522 522
Bulbodacnitis occidentalis     Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274 : 156-158 156-158
Araneae   new species  Dahl, Friedrich, 1914, Die Gasteracanthen des Berliner Zoologischen Museums und deren geographische Verbreitung., Mitteilungen aus dem Zoologischen Museum in Berlin 7, pp. 235-301 : 283 283
Zeliinia occidentalis   sp. nov.  BLAGODEROV, VLADIMIR & GRIMALDI, DAVID, 2004, Fossil Sciaroidea (Diptera) in Cretaceous Ambers, Exclusive of Cecidomyiidae, Sciaridae, and Keroplatidae, American Museum Novitates 3433 (1), pp. 1-76 : 45 45
Micralestes occidentalis     Melanie L. J. Stiassny & Victor Mamonekene, 2007, Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo., Zootaxa 1614, pp. 17-29 : 19 19
Streptocarpus ionanthus subsp. occidentalis   comb. nov.  Christenhusz, Maarten J. M., 2012, On African violets and Cape primroses-towards a monophyletic Streptocarpus (Gesneriaceae), Phytotaxa 46, pp. 3-9 : 7 7
Pachyrhynchus occidentalis     Rukmane, Anita, 2018, Anannotated Checklist Of Genuspachyrhynchus (Coleoptera: Curculionidae: Pachyrhynchini), Acta Biologica Universitatis Daugavpiliensis 18 (1), pp. 63-68 : 66 66
Hemiptera   new species  Taylor, Kenneth L., 1990, The tribe Ctenarytainini (Hemiptera: Psylloidea): a key to known Australian genera, with new species and two new genera, Invertebrate Taxonomy 4, No. 1, pp. 95-121 : 110 110
Xiphomyrmex occidentalis subsp. akengensis   new subspecies  Wheeler, W. M., 1922, The ants collected by the American Museum Congo Expedition., Bulletin of the American Museum of Natural History 45, pp. 39-269 : 194 194
Cephaloscymnus occidentalis key    Gordon, Robert D. & Hanley, Guy A., 2017, South American Coccinellidae (Coleoptera), Part XVII: systematic revision of Western Hemisphere Cephaloscymnini (Coccinellinae) with description of a cryptic new genus and species of Coccidulini (Coccinellinae), Insecta Mundi 2017 (601), pp. 1-158 : 6 6
Idalus vitrea subsp. occidentalis     Laguerre, Michel, 2014, Catalogue of the Neotropical Arctiini Leach, [1815] (except Ctenuchina Kirby, 1837 and Euchromiina Butler, 1876) (Insecta, Lepidoptera, Erebidae, Arctiinae), Zoosystema 36 (2), pp. 137-533 : 154 154
Messatoporus occidentalis   sp. nov.  Santos, Bernardo F. & Aguiar, Alexandre P., 2013, <strong> Phylogeny and revision of <em> Messatoporus </ em> Cushman (Hymenoptera, Ichneumonidae, Cryptinae), with descriptions of sixty five new species </ strong>, Zootaxa 3634 (1), pp. 1-284 : 159-161 159-161
Bahiana occidentalis   sp. nov.  Wurdack, Kenneth J., 2023, A new, disjunct species of Bahiana (Euphorbiaceae, Acalyphoideae): Phytogeographic connections between the seasonally dry tropical forests of Peru and Brazil, and a review of spinescence in the family, PhytoKeys 219, pp. 121-144 : 121 121
Cephalanthus occidentalis     Howell, Nathan, Krings, Alexander & Braham, Richard R, 2016, Guide to the littoral zone vascular flora of Carolina bay lakes (U. S. A.), Biodiversity Data Journal 4, pp. 7964-7964 : 7964 7964
Juniperus occidentalis     Tonkel, Kirk C., Rector, Brian G., Longland, William S., Dimitri, Lindsay A. & Ivie, Michael A., 2014, Stephanopachys conicolaFisher (Coleoptera: Bostrichidae) Feeding on Decaying Western Juniper (Juniperus occidentalisHooker) Berries: A Novel Association for Bostrichidae, The Coleopterists Bulletin 68 (3), pp. 403-406 : 403-405 403-405
Grewia occidentalis     Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part G), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 529-556 : 529 529
Polylepis occidentalis   sp. nov.  Boza Espinoza, Tatiana Erika & Kessler, Michael, 2022, A monograph of the genus Polylepis (Rosaceae), PhytoKeys 203, pp. 1-274 : 1 1
Parastilodes striatipennis subsp. occidentalis     Sampaio, Aline, Viana, Jéssica Herzog & Fonseca, Claudio Ruy Vasconcelos Da, 2024, Catalog of the Chrysomelinae (Coleoptera: Chrysomelidae) deposited in the entomological collections of the Museu Paraense Emílio Goeldi (MPEG) and the Universidade do Estado do Pará (UEPA), Belém, Brazil, Zootaxa 5447 (3), pp. 301-354 : 317 317
Neochauliodes occidentalis     Liu, Xingyue, Hayashi, Fumio & Yang, Ding, 2007, Revision of the Neochauliodes sinensis species-group (Megaloptera: Corydalidae: Chauliodinae), Zootaxa 1511 (1), pp. 29-54 : 41-42 41-42
Diptera   new species  Dyar, Harrison G. & Knab, Frederick, 1906, Notes on some American mosquitoes with descriptions of new species., Proceedings of the Biological Society of Washington 19, No. 32, pp. 159-172 : 159 159
Macrobiotus occidentalis subsp. sensu     Kaczmarek, Łukasz, Michalczyk, Łukasz & Mcinnes, Sandra J., 2015, Annotated zoogeography of non-marine Tardigrada. Part II: South America, Zootaxa 3923 (1), pp. 1-107 : 73 73
Stephanothrips occidentalis     Mound, Laurence A., Dang, Li-Hong & Tree, Desley J., 2013, Genera of fungivorous Phlaeothripinae (Thysanoptera) from dead branches and leaf-litter in Australia, Zootaxa 3681 (3), pp. 201-224 : 218 218
Parapontophilus occidentalis     Hendrickx, Michel E. & Papiol, Vanesa, 2015, Insights on the biology and ecology of the deep-water shrimp Parapontophilus occidentalis (Faxon, 1893) (Crustacea: Caridea: Crangonidae) in the eastern Pacific with notes on its morphology, Zootaxa 4007 (3), pp. 370-388 : 373-380 373-380
Pogonomyrmex occidentalis     Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae), Zootaxa 936, pp. 1-68 : 13 13
Allanagrus occidentalis   sp. n.  Huber, John T. & Triapitsyn, Serguei V., 2017, Two genera of Mymaridae (Hymenoptera) new to Africa, a remarkable new species of Anaphes and new generic synonymy, ZooKeys 658, pp. 39-61 : 47-48 47-48
Raptrix occidentalis     Rivera, Julio & Vergara-Cobián, Clorinda, 2017, A checklist of the praying mantises of Peru: new records, one new genus (Piscomantis gen. n.) and biogeographic remarks (Insecta, Mantodea), Zootaxa 4337 (3), pp. 361-389 : 373 373
Hymenoptera   new species  Austin, Andrew D., 1986, A taxonomic revision of the genus Mirobaeoides Dodd (Hymenoptera: Scelionidae), Australian Journal of Zoology 34, No. 2, pp. 315-337 : 333 333
Lamaxa occidentalis   comb. nov.  Bartlett, Charles R. & Kennedy, Ashley C., 2018, A review of New World Malaxa (Hemiptera: Fulgoroidea: Delphacidae), Zootaxa 4441 (3), pp. 511-528 : 517-518 517-518
Boa constrictor subsp. occidentalis     Krysko, Kenneth L., Burgess, Joseph P., Rochford, Michael R., Gillette, Christopher R., Cueva, Daniel, Enge, Kevin M., Somma, Louis A., Stabile, Jennifer L., Smith, Dustin C., Wasilewski, Joseph A., Kieckhefer Iii, Guy N., Granatosky, Michael C. & Nielsen, Stuart V., 2011, 3028, Zootaxa 3028, pp. 1-64 : 48-50 48-50
Idia occidentalis     Mustelin, Tomas, 2006, Taxonomy of southern California Erebidae and Noctuidae (Lepidoptera) with descriptions of twenty one new species, Zootaxa 1278, pp. 1-47 : 5 5
Loneura occidentalis   sp. nov.  Obando, Ranulfo González, Gironza, Nancy Carrejo, Panche, Jeferson & Aldrete, Alfonso Neri García, 2020, The genus Loneura Navás (Insecta: Psocodea: ‘ Psocoptera’: Ptiloneuridae) in Colombia, description of new species and key for identification, Zootaxa 4802 (2), pp. 201-249 : 226-229 226-229
Geotrypetes seraphini subsp. occidentalis     Miracle, Eulàlia Gassó, Van, Lars W., Ostende, Den Hoek & Arntzen, Jan Willem, 2007, Type specimens of amphibians in the National Museum of Natural History, Leiden, The Netherlands, Zootaxa 1482, pp. 25-68 : 41 41
Trombidiformes   new species  Marshall, Ruth, 1933, Water mites from Wyoming as fish food, Transactions of the American Microscopical Society 52, pp. 34-41 : 40 40
Thuja occidentalis     Konrad Lauber, Gerhart Wagner & Andreas Gygax, 2018, Flora Helvetica - Cupressaceae, Flora Helvetica, Bern: Haupt Verlag, pp. 104-106 : 104 104
Xanthopimpla occidentalis     Madl, Michael & O, Tersilochinae., 2020, A catalogue of the Ichneumonidae (Hymenoptera, Ichneumonoidea) of Gabon, Linzer biologische Beiträge 52 (1), pp. 377-407 : 400 400
Macrostomus occidentalis   sp. nov.  Rafael, José Albertino & Cumming, Jeffrey M., 2006, New species of Macrostomus Wiedemann (Diptera, Empididae) from Colombia, Ecuador and Peru, Zootaxa 1136, pp. 49-64 : 55-58 55-58
Auchenoglanis occidentalis     Geerinckx, Tom & Vreven, Emmanuel, 2013, A re-evaluation of the species-level diversity within the catfish genus Auchenoglanis (Siluriformes: Claroteidae), Journal of Natural History 47 (47 - 48), pp. 2979-3010 : 3002-3007 3002-3007
Frankliniella occidentalis     Mirab-balou, M., 2018, An updated checklist of Iranian thrips (Insecta: Thysanoptera), Far Eastern Entomologist 361, pp. 12-36 : 21 21
Pterolophia occidentalis     Gupta, Rajeev & Vitali, Francesco, 2017, The checklist of longhorn beetles (Coleoptera: Cerambycidae) from India, Zootaxa 4345 (1), pp. 1-317 : 203 203
Elaphropus (Nototachys) occidentalis   sp. n.  Boyd, Olivia F. & Erwin, Terry L., 2016, Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas, ZooKeys 626, pp. 87-123 : 102-105 102-105
Thrasops occidentalis     Ineich, Ivan, 2003, Contribution à la connaissance de la biodiversité des régions afro-montagnardes: les Reptiles du mont Nimba, Mémoires du Muséum national d'Histoire naturelle 190, pp. 597-638 : 619-637 619-637
Stephanothrips occidentalis     Mound, Laurence A. & Tree, Desley J., 2018, Fungus-feeding thrips of the genus Stephanothrips in Australia (Thysanoptera, Phlaeothripinae), Zootaxa 4442 (1), pp. 181-186 : 186 186
Euglossa occidentalis     Nemésio, André & Ferrari, Rafael R., 2011, Species of Euglossa (Glossura) and E. (Glossuropoda) (Hymenoptera: Apidae: Euglossina) occurring in the Amazon, including new records for Brazil, Zootaxa 2885, pp. 1-13 : 10 10
Senna occidentalis     Santos, Josimar Pereira, Souza, Alessandro Oliveira de & Silva, Marcos José da, 2017, Taxonomia e diversidade do gênero Senna Mill. (Leguminosae, Caesalpinioideae, Cassieae) no estado de Goiás, Brasil, Iheringia, Série Botânica 72 (1), pp. 75-105 : 91-92 91-92
Allanagrus occidentalis     Huber, John T., Read, Jennifer D. & Triapitsyn, Serguei V., 2021, Illustrated key to the genera and catalogue of Mymaridae (Hymenoptera) in the Afrotropical region, Zootaxa 5036 (1), pp. 1-166 : 14 14
Macrostomus occidentalis     Rafael, José Albertino & Cumming, Jeffrey M., 2009, Revision of the genus Macrostomus Wiedemann (Diptera: Empididae: Empidinae). I. The ferrugineus species-group, Zootaxa 2064 (1), pp. 39-56 : 52-55 52-55
Zelandobates occidentalis   sp. nov.  Smit, Harry & Pešić, Vladimir, 2020, New records of water mites from New Zealand, with the description of three new genera and ten new species (Acari: Hydrachnidia), Acarologia 60 (4), pp. 903-950 : 918-919 918-919
Neochordodes occidentalis     Schmidt-Rhaesa, Andreas & Menzel, Lena, 2005, Central American and Caribbean species of horsehair worms (Nematomorpha), with the description of three new species, Journal of Natural History 39 (7), pp. 515-529 : 525 525
Thuja occidentalis     Westcott, Richard L., 2023, New host and distribution records plus additional notes for North American species of Chrysobothris Eschscholtz (Coleoptera: Buprestidae), with designation of a lectotype for Chrysobothris vulcanica LeConte, 1861, Insecta Mundi 2023 (967), pp. 1-10 : 7 7
Pseudovermilia occidentalis     Bastida-Zavala, J. Rolando, Buelna, Alondra Sofía Rodríguez, León-González, Jesús Angel De, Camacho-Cruz, Karla Andrea & Carmona, Isabel, 2016, New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific, Zootaxa 4184 (3), pp. 401-457 : 431-432 431-432
Chrysomela occidentalis   spec. nov.  Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 369 369
Thuja occidentalis     Webster, Reginald, McCoqrquodale, David & Majka, Christopher, 2009, New records of Cerambycidae (Coleoptera) for New Brunswick, Nova Scotia, and Prince Edward Island, Canada, ZooKeys 22 (22), pp. 285-308 : 297 297
Talpa occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Soricomorpha, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 220-311 : 309 309
Cybister occidentalis     Miller, Kelly B., 2013, Review of the Genus Cybister Curtis, 1827 (Coleoptera: Dytiscidae: Dytiscinae: Cybistrini) in North America, The Coleopterists Bulletin 67 (4), pp. 401-410 : 407 407
Chaeropus ecaudatus subsp. occidentalis   stat. nov.  Travouillon, Kenny J., Simões, Bruno F., Miguez, Roberto Portela, Brace, Selina, Brewer, Philippa, Stemmer, David, Price, Gilbert J., Cramb, Jonathan & Louys, Julien, 2019, Hidden in plain sight: reassessment of the pig-footed bandicoot, Chaeropus ecaudatus (Peramelemorphia, Chaeropodidae), with a description of a new species from central australia, and use of the fossil record to trace its past distribution, Zootaxa 4566 (1), pp. 1-69 : 16-31 16-31
Alastor occidentalis   sp. nov.  Gusenleitner, J., 2006, Über eine Aufsammlung von Faltenwespen in Niger (Hymenoptera: Vespidae), Linzer biologische Beiträge 38 (1), pp. 653-662 : 655-658 655-658
Lathyrus occidentalis     Konrad Lauber, Gerhart Wagner & Andreas Gygax, 2018, Flora Helvetica - Fabaceae, Flora Helvetica, Bern: Haupt Verlag, pp. 37-400 : 318 318
Scaeva occidentalis     Montoya, Augusto L., 2016, FAMILY SYRPHIDAE, Zootaxa 4122 (1), pp. 457-537 : 478 478
Myotis mystacinus subsp. occidentalis     Wilson, Don E. & Reeder, DeeAnn, 2005, Order Chiroptera - Family Vespertilionidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 451-529 : 512 512
Euryparasitus occidentalis     Castilho, Raphael C., Silva, Edmilson S., De, Gilberto J. & Halliday, Bruce, 2016, Catalogue of the family Ologamasidae Ryke (Acari: Mesostigmata), Zootaxa 4197 (1), pp. 1-147 : 43 43
Thespesius occidentalis     Leidy, J., 1860, Extinct vertebrata from the Judith River and Great Lignite formations of Nebraska., Transactions of the American Philosophical Society 11, pp. 139-154 : 151-152 151-152
Paracoracias occidentalis     Clarke, Julia A., Ksepka, Daniel T., Smith, N. Adam & Norell, Mark A., 2009, Combined phylogenetic analysis of a new North American fossil species confirms widespread Eocene distribution for stem rollers (Aves, Coracii), Zoological Journal of the Linnean Society 157 (3), pp. 586-611 : 589-595 589-595
Gibbaranea occidentalis     Borges, Paulo A. V., Gaspar, Clara, Crespo, Luis Carlos Fonseca, Rigal, Francois, Cardoso, Pedro, Pereira, Fernando, Rego, Carla, Amorim, Isabel R., Melo, Catarina, Aguiar, Carlos, Andre, Genage, Mendonca, Enesima P., Ribeiro, Servio, Hortal, Joaquin, Santos, Ana M. C., Barcelos, Luis, Enghoff, Henrik, Mahnert, Volker, Pita, Margarida T., Ribes, Jordi, Baz, Arturo, Sousa, Antonio B., Vieira, Virgilio, Wunderlich, Joerg, Parmakelis, Aristeidis, Whittaker, Robert J., Quartau, Jose Alberto, Serrano, Artur R. M. & Triantis, Kostas A., 2016, New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests, Biodiversity Data Journal 4, pp. 10948-10948 : 10948 10948
Pseudochitinopoma occidentalis     Bastida-Zavala, J. Rolando, McCANN, Linda D., Keppel, Erica & Ruiz, Gregory M., 2017, The fouling serpulids (Polychaeta: Serpulidae) from United States coastal waters: an overview, European Journal of Taxonomy 344, pp. 1-76 : 45-46 45-46
Pachyrhynchs occidentalis   sp. nov.  Rukmane, Anita, 2017, New Species Of The Genus Pachyrhynchus Germar (Coleoptera, Curculionidae, Entiminae) From The Greater Mindanao Pleistocene Aggregate Island Complex (Philippines), Acta Biologica Universitatis Daugavpiliensis 17 (1), pp. 85-95 : 89 89
Gretacarus occidentalis   sp. nov.  Smit, Harry, 2016, The water mite genus Gretacarus K. O. Viets, 1978 from Australia (Acari: Hydrachnidia, Mideopsidae: Gretacarinae), with the description of three new species, Zootaxa 4121 (2), pp. 159-166 : 161 161
Hemiptera   new species  Douglas, J. W., 1891, Notes on some British and exotic Coccidae (No. 21)., Entomologist's monthly magazine 2, pp. 244-247 : 245 245
Pseudohydromys occidentalis     Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Muridae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 536-884 : 711 711
Boernerina occidentalis     Stekolshchikov, Andrey V. & Khruleva, Olga A., 2015, Contributions to the aphid fauna (Hemiptera, Aphidoidea) of Chukotka Autonomous Okrug with descriptions of five new species, Zootaxa 4044 (1), pp. 1-44 : 4 4
Drasterius occidentalis     Girard, Claude, 2003, Étude des peuplements d’Elateridae (Coleoptera) de la région du mont Nimba et descriptions de taxons nouveaux, Mémoires du Muséum national d'Histoire naturelle 190, pp. 393-550 : 439 439
Micralestes occidentalis     Zanata, Angela M. & Vari, Richard P., 2005, The family Alestidae (Ostariophysi, Characiformes): a phylogenetic analysis of a trans-Atlantic clade, Zoological Journal of the Linnean Society 145 (1), pp. 1-144 : 108 108
Baeolidia occidentalis     Carmona, Leila, Pola, Marta, Gosliner, Terrence M. & Cervera, Juan Lucas, 2014, Review of Baeolidia, the largest genus of Aeolidiidae (Mollusca: Nudibranchia), with the description of five new species, Zootaxa 3802 (4), pp. 477-514 : 485-486 485-486
Euphorticus occidentalis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 783 783
Bulla occidentalis     Gutiérrez, Manuel Caballer, Ortea, Jesús, Rivero, Nelsy, Tucker, Gabriela Carias, Malaquias, Manuel António E. & Narciso, Samuel, 2015, The opisthobranch gastropods (Mollusca: Heterobranchia) from Venezuela: an annotated and illustrated inventory of species, Zootaxa 4034 (2), pp. 201-256 : 213-214 213-214
Machimus occidentalis key    Dennis, D. Steve & Barnes, Jeffrey K., 2013, Pupal cases of three Nearctic species of Machimus (Diptera: Asilidae), Zootaxa 3683 (5), pp. 561-570 : 569-570 569-570
Subancistrocerus massaicus var. occidentalis     J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part II: Genera Delta de SAUSSURE 1885 to Zethus FABRICIUS 1804 and Species Incertae Sedis, Linzer biologische Beiträge 42 (1), pp. 95-315 : 252 252
Dermacentor occidentalis     Guglielmone, Alberto A., Petney, Trevor N. & Robbins, Richard G., 2020, Ixodidae (Acari: Ixodoidea): descriptions and redescriptions of all known species from 1758 to December 31, 2019, Zootaxa 4871 (1), pp. 1-322 : 142 142
Macrobiotus occidentalis     Wang, Hanping, Wang, Lizhi & Li, Xiaochen, 2007, Tardigrades from Guizhou Province (China) with description of a new species of genus Doryphoribius (Tardigrada: Hypsibiidae), Zootaxa 1626, pp. 59-67 : 61 61
Lepisosteus occidentalis     Sahni, Ashok, 1972, The vertebrate Fauna of the Judith River formation, Montana, Bulletin of the American Museum of Natural History 147 (6), pp. 319-416 : 345 345
Psammodromus occidentalis   sp. nov.  Fitze, Patrick S., Gonzalez-Jimena, Virginia, San-Jose, Luis M., Mauro, Diego San & Zardoya, Rafael, 2012, A new species of sand racer, Psammodromus (Squamata: Lacertidae), from the Western Iberian Peninsula, Zootaxa 3205, pp. 41-52 : 47-50 47-50
Solifugae   new species  Simon, Eugène, 1885, Étude sur les Arachnides recueillis en Tunisie en 1883 et 1884 par Mm. A. Letourneux, M. Sédillot et Valery Mayet. In: Exploration Scientifique de la Tunisie, Imprimerie Nationale : 44 44
Leptoglossus occidentalis     Ishikawa, Tadashi, Saito, Masayuki U., Kishimoto-Yamada, Keiko, Kato, Toshihide, Kurashima, Osamu & Ito, Motomi, 2015, Inventory of the Heteroptera (Insecta: Hemiptera) in Komaba Campus of the University of Tokyo, a highly urbanized area in Japan, Biodiversity Data Journal 3, pp. 4981-4981 : 4981 4981
Coleoptera   new species  Baehr, Martin, 2013, A revision of the carabid tribe Migadopini in Australia (Insecta, Coleoptera, Carabidae, Migadopini), Memoirs of the Queensland Museum - Nature 56, No. 2, pp. 279-304 : 293 293
Pectinopygus occidentalis     Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L., 2021, An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile, Zootaxa 5077 (1), pp. 1-151 : 90 90
Eremaeus occidentalis     Behan-Pelletier, Valerie M. & Lindo, Zoë, 2019, Checklist of oribatid mites (Acari: Oribatida) of Canada and Alaska, Zootaxa 4666 (1), pp. 1-180 : 68 68
Polybia (Myrapetra) occidentalis     Gudin, Filipe Macedo, 2023, Annotated Catalog of Vespid Hosts (Hymenoptera: Vespidae) of Tachinidae (Diptera), with Description of a New Species of Ophirion Townsend from Brazil, Zoological Studies 62 (6), pp. 1-25 : 8 8
Acontias plumbeus subsp. occidentalis     Conradie, Werner, Branch, William R. & Watson, Gillian, 2019, Type specimens in the Port Elizabeth Museum, South Africa, including the historically important Albany Museum collection. Part 2: Reptiles (Squamata), Zootaxa 4576 (1), pp. 1-45 : 28 28
Anaphothrips occidentalis     Mound, Laurence A. & Masumoto, Masami, 2009, Australian Thripinae of the Anaphothrips genus-group (Thysanoptera), with three new genera and thirty-three new species, Zootaxa 2042 (1), pp. 1-76 : 47 47
Pachyrhynchus occidentalis     Rukmane, Anita, 2019, To the knowledge of genus Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae: Pachyrhynchini) species from SMNH (Stockholm, Sweden), with description of a new species from the Sibuyan Island (Philippines), Baltic Journal of Coleopterology 19 (1), pp. 41-50 : 48 48
Boophis occidentalis     Vences, Miguel, Andreone, Franco, Glos, Julian & Glaw, Frank, 2010, Molecular and bioacoustic differentiation of Boophis occidentalis with description of a new treefrog from north-western Madagascar, Zootaxa 2544, pp. 54-68 : 59 59
Melanoseps occidentalis     Sánchez-Vialas, Alberto, Calvo-Revuelta, Marta & Riva, Ignacio De La, 2022, Synopsis of the terrestrial Reptiles of Equatorial Guinea, Zootaxa 5202 (1), pp. 1-197 : 59 59
Culicoides occidentalis     Shults, Phillip & Borkent, Art, 2018, Pupae of the Nearctic species of Culicoides Latreille subgenus Monoculicoides Khalaf (Diptera: Ceratopogonidae), Zootaxa 4504 (4), pp. 451-472 : 459 459
Eugnoriste occidentalis     Kauschke, Ellen, 2017, New Black Fungus Gnats (Diptera, Sciaridae) of North America. Part IV. Genera Eugnoriste Coquillett and Keilbachia Mohrig, Zootaxa 4319 (1), pp. 53-76 : 62-63 62-63
Carnivora   new species  Mearns, Edgar A., 1897, Preliminary diagnoses of new mammals of the genera Lynx, Urocyon, Spilogale, and Mephitis, from the Mexican Boundary line., Proceedings of the United States National Museum 20, pp. 457-461 : 461 461
Carnivora   new species  Howell, Arthur H., 1901, Revision of the skunks of the genus Chincha, North American Fauna 20, pp. 1-63 : 37 37
Carnivora   new species  Howell, Arthur H., 1901, Revision of the skunks of the genus Chincha, North American Fauna 20, pp. 1-63 : 36 36

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