irregular, Taxa Only, Exact Match: 100 Treatments

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Desmopachria irregulara   sp. nov.  Miller, Kelly B., 2022, Nineteen new species of Desmopachria Babington, 1841 (Coleoptera, Adephaga, Dytiscidae, Hydroporinae, Hyphydrini) with notes on the taxonomy of the genus, ZooKeys 1136, pp. 1-56 : 1 1
Atriolum irregulare   sp. nov.  Kott, Patricia, 2007, New and little-known species of Didemnidae (Ascidiacea, Tunicata) from Australia (part 4), Journal of Natural History 41 (17 - 20), pp. 1163-1211 : 1165-1167 1165-1167
Leptotrombidium irregulare     STEKOLNIKOV, ALEXANDR A., 2013, <strong> <em> Leptotrombidium </ em> (Acari: Trombiculidae) of the World </ strong>, Zootaxa 3728 (1), pp. 1-173 : 112 112
Microcentrum irregulare   comb. nov.  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 : 57 57
Hedychridium caucasium subsp. irregulare     Arens, W., 2010, Die Taxa der Hedychridium roseum-Gruppe auf der Peloponnes (Hymenoptera: Chrysididae), mit Beschreibung einer neuen Art, Linzer biologische Beiträge 42 (1), pp. 459-476 : 467-468 467-468
Hedychridium Caucasium subsp. irregulare     Yildirim, E. & Strumia, F., 2006, Contribution to the knowledge of Chrysididae fauna of Turkey. Part 2: Elampinae (Hymenoptera, Chrysididae), Linzer biologische Beiträge 38 (1), pp. 961-972 : 963 963
Hedychridium irregulare     Rosa, Paolo, Heim, René & Bernasconi, Marco Valerio, 2022, The Palaearctic types of Chrysididae (Insecta, Hymenoptera) deposited in the Linsenmaier collection. Part 2. Elampini: genus Hedychridium Abeille de Perrin, 1878, Zootaxa 5090 (1), pp. 1-94 : 33-34 33-34
Leptotrombidium (Leptotrombidium) irregulare     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 : 131 131
Rachiosoma irregulare     Mohamed Abdelhamid, Marouf Abdel-Aty & Moustafa Azab, Mahmoud, 2012, Turonian-Santonian echinoids from Egypt, Geodiversitas 34 (3), pp. 575-615 : 590 590
Limiscala irregulare     Huang, Chih-Wei & Lee, Yen-Chen, 2016, Checklist of the family Epitoniidae (Mollusca: Gastropoda) in Taiwan with description of a new species and some new records, Biodiversity Data Journal 4, pp. 5653-5653 : 5653 5653
Truncatoflabellum irregulare     Cairns, Stephen D., 2016, A key to the genera and species of the transversely-dividing Flabellidae (Anthozoa, Scleractinia, Flabellidae), with a guide to the literature, and the description of two new species, ZooKeys 562, pp. 1-48 : 12 12
Syzygium irregulare     Soh, Wuu-Kuang & Parnell, John, 2015, A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam), Adansonia 37 (2), pp. 179-275 : 274 274
Coleoptera   new species  Li, Li-Zhen & Sakai, Masahiro, 1996, Description of Three New Species of the Genus Ischnosoma (Coleoptera, Staphylinidae) from Japan, Japanese Journal of Systematic Entomology 2, No. 1, pp. 75-81 : 75 75
Pseudobironium irregulare   sp. nov.  Löbl, Ivan, 2022, Supplement to the knowledge of Scaphisomatini of Sabah, Malaysia (Coleoptera: Staphylinidae: Scaphidiinae), Acta Musei Moraviae, Scientiae biologicae 107 (1 - 2), pp. 7-19 : 11-14 11-14
Odontochrydium irregulare     Rosa, Paolo, 2018, Review of Odontochrydium Brauns (Hymenoptera, Chrysididae) with description of two species from the Palaearctic and Oriental regions, Zootaxa 4450 (4), pp. 445-457 : 447-448 447-448
Hymenoptera     Rosa, Paolo & Greeff, Michael, 2021, Types of Chrysididae (Insecta, Hymenoptera) deposited at the Eidgenössische Technische Hochschule in Zürich, Zootaxa 4908 (2), pp. 181-204 : 197 197
Myzostomatidae Myzostoma irregulare   new species  von Graff, Ludwig, 1884, Report on the Myzostomida collected during the voyage of 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 10, No. 27, pp. 1-82 : 50 50
Acanthospina irregulare   n. sp.  Valiukevičius, Juozas, 2003, Devonian acanthodians from Severnaya Zemlya Archipelago (Russia), Geodiversitas 25 (1), pp. 131-204 : 188-193 188-193
Hedychridium caucasium subsp. irregulare     Arens, W., 2010, Revision der Hedychridium roseum-Gruppe in Kleinasien (Hymenoptera: Chrysididae), mit Neubewertung zahlreicher europäischer Taxa und Beschreibung zweier neuer Arten, Linzer biologische Beiträge 42 (1), pp. 401-458 : 452-453 452-453
Hedychridium irregulare subsp. insulare     Rosa, Paolo, Heim, René & Bernasconi, Marco Valerio, 2022, The Palaearctic types of Chrysididae (Insecta, Hymenoptera) deposited in the Linsenmaier collection. Part 2. Elampini: genus Hedychridium Abeille de Perrin, 1878, Zootaxa 5090 (1), pp. 1-94 : 34-35 34-35
Penicillium irregulare   sp. nov.  Torres-Garcia, Daniel, Gene, Josepa & Garcia, Dania, 2022, New and interesting species of Penicillium (Eurotiomycetes, Aspergillaceae) in freshwater sediments from Spain, MycoKeys 86, pp. 103-145 : 103 103
Odontochrydium irregulare     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 : 107 107
Hedychridium caucasium subsp. irregulare     Arens, W., 2010, Die Taxa der Hedychridium roseum-Gruppe auf der Peloponnes (Hymenoptera: Chrysididae), mit Beschreibung einer neuen Art, Linzer biologische Beiträge 42 (1), pp. 459-476 : 461 461
Limiscala irregulare     Huang, Chih-Wei & Lee, Yen-Chen, 2016, Checklist of the family Epitoniidae (Mollusca: Gastropoda) in Taiwan with description of a new species and some new records, Biodiversity Data Journal 4, pp. 5653-5653 : 5653 5653
Amaroucium irregulare concinnum   new species  Herdman, William Abbott, 1886, Report on the Tunicata collected during the voyage of H. M. S. Challenger during the years 1873 – 1876. Part II. — Ascidiae compositae., Report on the Scientific Results of the Voyage of H. M. S. Challenger During the Years 1873 – 76, Zoology 14, No. 38, pp. 1-432 : 225 225
Infraclass Irregularia     Gerdes, Klaas, Kihara, Terue Cristina, Martinez Arbizu, Pedro, Kuhn, Thomas, Schwarz-Schampera, Ulrich, Mah, Christopher L, Norenburg, Jon L, Linley, Thomas D, Shalaeva, Kate, Macpherson, Enrique, Gordon, Dennis, Stoehr, Sabine, Messing, Charles G, Bober, Simon, Guggolz, Theresa, Christodoulou, Magdalini, Gebruk, Andrey, Kremenetskaia, Antonina, Kroh, Andreas, Sanamyan, Karen, Bolstad, Kathrin, Hoffman, Leon, Gooday, Andrew J & Molodtsova, Tina, 2021, Megafauna of the German exploration licence area for seafloor massive sulphides along the Central and South East Indian Ridge (Indian Ocean), Biodiversity Data Journal 9, pp. 69955-69955 : 69955 69955
Infraclass Irregularia     Gerdes, Klaas, Kihara, Terue Cristina, Martinez Arbizu, Pedro, Kuhn, Thomas, Schwarz-Schampera, Ulrich, Mah, Christopher L, Norenburg, Jon L, Linley, Thomas D, Shalaeva, Kate, Macpherson, Enrique, Gordon, Dennis, Stoehr, Sabine, Messing, Charles G, Bober, Simon, Guggolz, Theresa, Christodoulou, Magdalini, Gebruk, Andrey, Kremenetskaia, Antonina, Kroh, Andreas, Sanamyan, Karen, Bolstad, Kathrin, Hoffman, Leon, Gooday, Andrew J & Molodtsova, Tina, 2021, Megafauna of the German exploration licence area for seafloor massive sulphides along the Central and South East Indian Ridge (Indian Ocean), Biodiversity Data Journal 9, pp. 69955-69955 : 69955 69955
Bisphaera     Noble, Paula, Aitchison, Jonathan C., Danelian, Taniel, Dumitrica, Paulian, Maletz, Jörg, Suzuki, Noritoshi, Cuvelier, Jessie, Caridroit, Martial & O’Dogherty, Luis, 2017, Taxonomy of Paleozoic radiolarian genera, Geodiversitas 39 (3), pp. 419-502 : 439 439
Neohydnobius irregularis   sp. nov.  Nmpc, 2017, Erratum, Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 57 (2), pp. 602-602 : 602 602
Squamata     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 : 340 340
Notothylas irregularis     Söderström, Lars, Hagborg, Anders & Konrat, Matt Von, 2016, Early Land Plants Today: Index of Liverworts & Hornworts 2013 - 2014, Phytotaxa 269 (3), pp. 133-185 : 156 156
Cytherlla irregularis   new species  Brady, George Stewardson, 1880, Report on the Ostracoda dredged by H. M. S. Challenger during the years 1873 - 1876, Reports of Science Research Voyage of H. M. S. Challenger. Zoology 1, No. 3, pp. 1-184 : 178 178
Dapanera irregularis     Massa, Bruno, Annoyer, Philippe, Perez, Cyrille, Danflous, Samuel & Duvot, Guilhem, 2020, Orthoptera Tettigoniidae (Conocephalinae, Hexacentrinae, Phaneropterinae Mecopodinae, Hetrodinae) from some protected areas of Central African Republic, Zootaxa 4780 (3), pp. 401-447 : 428 428
Powellia irregularis   new species  Ferris, Gordon Floyd & Klyver, F. D., 1932, Report upon a collection of Chermidae (Homoptera) from New Zealand, Transactions and proceedings of the New Zealand Institute 63, No. 1, pp. 34-61 : 47 47
Beatogordius Irregularis     Lunaschi, Lia I., Álvarez, Victor Hugo Merlo & Damborenea, Cristina, 2012, Type material housed in the Helminthological Collection of the Museo de La Plata, Buenos Aires, Argentina, Zootaxa 3199, pp. 1-59 : 25 25
Drepanophora Irregularis   sp. nov.  Winston, Judith E. & Vieira, Leandro M., 2013, Systematics of interstitial encrusting bryozoans from southeastern Brazil, Zootaxa 3710 (2), pp. 101-146 : 127-129 127-129
Meromonakantha irregularis     Błażewicz-Paszkowycz, Magdalena & Bamber, Roger N., 2011, Tanaidomorph Tanaidacea (Crustacea: Peracarida) from Mud-Volcano and Seep Sites on the Norwegian Margin, Zootaxa 3061, pp. 1-35 : 16-20 16-20
Araeomolis irregularis     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 : 188 188
Tetracanthella Irregularis     Thibaud, Jean-Marc, 2017, Catalogue des collemboles de France, Zoosystema 39 (3), pp. 297-436 : 369 369
Aulocalyx irregularis     Goodwin, Claire E., Berman, Jade, Janussen, Dorte, Göcke, Christian & Hendry, Katharine R., 2016, Hexactinellida (Porifera) from the Drake Passage (Southern Ocean) with a description of three new species, Zootaxa 4126 (2), pp. 207-220 : 209-210 209-210
Schistoneurus irregularis     Sikora, Tomáš, Jaschhof, Mathias & Ševčík, Jan, 2017, Glossostyles perspicua gen. et sp. nov. and other fungivorous Cecidomyiidae (Diptera) new to the Czech and Slovak Republics, European Journal of Taxonomy 303, pp. 1-29 : 25-26 25-26
Myrianida irregularis     Nygren, Arne, 2004, Revision of Autolytinae (Syllidae: Polychaeta)., Zootaxa 680, pp. 1-314 : 32-39 32-39
Leucosolenia irregularis     Van, Rob W. M. & De, Nicole J., 2018, Calcareous sponges of the Western Indian Ocean and Red Sea, Zootaxa 4426 (1), pp. 1-160 : 152 152
Lithobius (Ezembius) irregularis     Ma, Huiqin, Pei, Sujian, Hou, Xiaojie, Zhu, Tiegang, Wu, Dayong & Gai, Yonghua, 2014, An annotated checklist of Lithobiomorpha of China, Zootaxa 3847 (3), pp. 333-358 : 342 342
Smenispa irregularis     Martin, Melissa B., Bruce, Niel L. & Nowak, Barbara F., 2014, Smenispa irregularis (Bleeker, 1857) (Crustacea: Isopoda: Cymothoidae), a Buccal-attaching Fish Parasite from Australia, Records of the Australian Museum 66 (4), pp. 233-240 : 235-236 235-236
Tylopsis irregularis     Massa, Bruno, 2017, New genera, species and records of Afrotropical Phaneropterinae (Orthoptera, Tettigoniidae) preserved at the Royal Belgian Institute of Natural Sciences, Bruxelles, Zootaxa 4358 (3), pp. 401-429 : 410 410
Holopothrips irregularis   sp. n.  Lindner, Mariana F., Ferrari, Augusto, Mound, Laurence A. & Cavalleri, Adriano, 2018, Holopothrips diversity-a Neotropical genus of gall-inducing insects (Thysanoptera, Phlaeothripidae), Zootaxa 4494 (1), pp. 1-99 : 50-52 50-52
Phalæna irregularis   new species  Hübner, Jacob, 1808, Noctuae, Sammlung europäischer Schmetterlinge 4, pp. 75-86 : 75-86 75-86
Astropecten irregularis subsp. pentacanthus     Madeira, Patrícia, Kroh, Andreas, Cordeiro, Ricardo, De, António M., Martins, Frias & Ávila, Sérgio P., 2019, The Echinoderm Fauna of the Azores (NE Atlantic Ocean), Zootaxa 4639 (1), pp. 1-231 : 167 167
Hydrochus irregularis   new species  Perkins, Philip D., 2021, Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae), Zootaxa 4994 (1), pp. 1-93 : 28-29 28-29
Fragilaria irregularis   sp. nov.  Chudaev, Dmitry, Jüttner, Ingrid & Vijver, Bart Van De, 2021, Fragilaria irregularis sp. nov. a new araphid species (Fragilariaceae, Bacillariophyta) from the River Adegoy, Krasnodar Territory, Russia, Phytotaxa 508 (2), pp. 221-228 : 222-223 222-223
Alloxiphidiopsis irregularis     Shi, Fu-Ming & Li, Rui-Lian, 2010, Remarks on the genus Alloxiphidiopsis Liu & Zhang, 2007 (Orthoptera, Meconematinae) from Yunnan, China, Zootaxa 2605, pp. 63-68 : 64 64
Apodesmia irregularis     Broad, Gavin R., Shaw, Mark R. & Godfray, H. Charles J., 2016, Checklist of British and Irish Hymenoptera - Braconidae, Biodiversity Data Journal 4, pp. 8151-8151 : 8151 8151
Calepina irregularis     Cabezudo, Baltasar, Solanas, Federico Casimiro-Soriguer & Pérez-Latorre, Andrés V., 2022, Vascular flora of the Sierra de las Nieves National Park and its surroundings (Andalusia, Spain), Phytotaxa 534 (1), pp. 1-111 : 52 52
Theopea irregularis     Lee, Chi-Feng & Bezdĕk, Jan, 2018, Revision of the genus Theopea Baly (Coleoptera: Chrysomelidae: Galerucinae) of East Asia: species lacking modified clypeus in males and the T. sauteri species group, Zootaxa 4508 (3), pp. 334-376 : 345-352 345-352
Liolaemus irregularis     Pincheira-Donoso, Daniel, Scolaro, J. Alejandro & Sura, Piotr, 2008, A monographic catalogue on the systematics and phylogeny of the South American iguanian lizard family Liolaemidae (Squamata, Iguania), Zootaxa 1800, pp. 1-85 : 51 51
Asterales   new species  Pic, Maurice, 1940, Diagnoses de Coléoptères exotiques, L'Échange, Revue Linnéenne 56, No. 480, pp. 6-8 : 6 6
Maera irregularis   sp. nov.  Myers, Alan A. & Nithyanandan, Manickam, 2016, The Amphipoda of Sea City, Kuwait. — The Senticaudata (Crustacea), Zootaxa 4072 (4), pp. 401-429 : 424-427 424-427
Melanopsis irregularis   [invalid]  Neubauer, Thomas A., 2016, A nomenclator of extant and fossil taxa of the Melanopsidae (Gastropoda, Cerithioidea), ZooKeys 602, pp. 1-358 : 138 138
Odonata     Lieftinck, M. A., 1935, A Synopsis of the Odonata (Dragonflies) of Sumatra, Miscellanea Zoologica Sumatrana 1, pp. 1-23 : 12 12
Melanopsis jordanica subsp. var. var. irregularis     Neubauer, Thomas A., 2016, A nomenclator of extant and fossil taxa of the Melanopsidae (Gastropoda, Cerithioidea), ZooKeys 602, pp. 1-358 : 138 138
Trichromia irregularis     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 : 197 197
Orthorapha (Lepyronoxia) irregularis   sp. nov.  Andrew Hamilton, K. G., 2013, Revision of Neotropical aphrophorine spittlebugs, part 2: tribe Orthoraphini (Hemiptera, Cercopoidea), Zootaxa 3710 (3), pp. 201-225 : 220-222 220-222
Leucania irregularis     Komal, J., Shashank, P. R., Sondhi, Sanjay, Madan, Sohail, Sondhi, Yash, Meshram, Naresh M. & Anooj, S. S., 2021, Moths (Insecta: Lepidoptera) of Delhi, India: An illustrated checklist based on museum specimens and surveys, Biodiversity Data Journal 9, pp. 73997-73997 : 73997 73997
Danuriella irregularis     Roy, Roger, 2020, Révision du genre Danuriella Westwood, 1889 (Mantodea), Zoosystema 42 (21), pp. 399-432 : 402-404 402-404
Stegolaria irregularis     Schejter, L., Genzano, G., Pérez, C. D., Acuña, F., Cordeiro, R. T. S., Silva, R. A., Garese, A. & Bremec, C. S., 2020, Checklist of Benthic Cnidaria in the SW Atlantic Ocean (54 ºS- 56 ºS), Zootaxa 4878 (2), pp. 201-239 : 214 214
Lycomorphon (Spinolycus) irregularis   comb. n.  Nascimento, Elynton Alves Do & Bocakova, Milada, 2009, A revision of the genus Lycomorphon (Coleoptera: Lycidae), Zootaxa 2132, pp. 40-52 : 51 51
Aphanius irregularis   new species  Yoğurtçuoğlu, Baran & Freyhof, Jörg, 2018, Aphanius irregularis, a new killifish from south-western Anatolia (Cyprinodontiformes: Aphaniidae), Zootaxa 4410 (2), pp. 319-330 : 321-327 321-327
Antennularia irregularis     M. P. Oliveira 1,16, S P. Miranda 2, *,, Es W. Mianzan 10,, Ro E. Migotto 11,, Ne B. Nascimento 2,11, Eli Nogueira Júnior 12,, Er Quiñones 13,, Izio Scarabino 14,, Tín Schiariti 10,, Io N. Stampar 15,, Tronolone 2, , Quíria B. & Onio C. Marques 2,11, 2016, Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters, Zootaxa 4194 (1), pp. 1-256 : 110 110
Pyura irregularis     Monniot, Francoise, 2021, New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region, Zootaxa 4996 (3), pp. 443-468 : 457-458 457-458
Plagiorchiida   new species  Yamaguti, S., 1970, Digenetic trematodes of Hawaiian fishes, Keigaku Publishing Company : 163 163
Dapanera irregularis     Massa, Bruno, 2021, Orthoptera Tettigoniidae as indicators of biodiversity hotspots in the Guinean Forests of Central and West Tropical Africa, Zootaxa 4974 (3), pp. 401-458 : 438 438
Squamata   new species  Bowdich, Thomas Edward, 1819, Mission from Cape Coast Castle to Ashantee., John Murray : 494 494
Candezea irregularis     Wagner & Kurtscheid, A., 2005, Revision of Candezea Chapuis, 1879 (Coleoptera, Chrysomelidae, Galerucinae) from continental Africa, Journal of Natural History 39 (28), pp. 2591-2641 : 2606-2609 2606-2609
Aphanius irregularis     Kaya, Cüneyt, Bayçelebi, Esra & Turan, Davut, 2021, Illustrated type specimens catalogue of Recep Tayyip Erdogan University Zoology Museum of the Faculty of Fisheries, Zootaxa 4996 (3), pp. 401-442 : 438 438
Philothamnus irregularis     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 : 618 618
Calepina irregularis     Becherer, 1956, Florae Vallesiacae Supplementum, Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71, pp. 1-556 : 1-556 1-556
Membranipora Irregularis     Winston, Judith E. & Vieira, Leandro M., 2013, Systematics of interstitial encrusting bryozoans from southeastern Brazil, Zootaxa 3710 (2), pp. 101-146 : 106-107 106-107
Calepina irregularis     Hess, Hans Ernst, Landolt, Elias & Hirzel, Rosmarie, 1976, Flora der Schweiz und angrenzender Gebiete. Band 2. Nymphaceae bis Primulaceae (2 nd edition) (p. 956): Cruciferae, Birkhaeuser Verlag : 177 177
Homogryllacris irregularis   sp. nov.  Lu, Xiangyi, Zhang, Qianwen & Bian, Xun, 2022, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) XI: Three new species of Homogryllacris from Yunnan Province, Zootaxa 5200 (3), pp. 281-290 : 287-289 287-289
Robinsonia irregularis     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 : 151 151
Protandrena (Pterosarus) irregularis     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
Trigonopterus irregularis   sp. n.  Riedel, Alexander, Sagata, Katayo, Surbakti, Suriani, Rene Taenzler, & Michael Balke,, 2013, One hundred and one new species of Trigonopterus weevils from New Guinea, ZooKeys 280, pp. 1-150 : 36-37 36-37
Anthoathecata   new species  Moseley, Henry Nottidge, 1880, Report on certain hydroid, alcyonarian, and madreporarian corals procured during the voyage of H. M. S. '' Challenger' ', in the years 1873 – 1876, Report on the Scientific Results of the Voyage of H. M. S. Challenger during the Years 1873 – 76, Zoology 2, No. 7, pp. 1-248 : 80 80
Pyura irregularis     Kott, Patricia, 2006, Observations on non-didemnid ascidians from Australian waters (1), Journal of Natural History 40 (3 - 4), pp. 169-234 : 222-223 222-223
Lepidoptera   new species  Landry, Bernard & Powell, Jerry A., 2001, Systematics and phylogeny of Sparganothina and related taxa (Lepidoptera: Tortricidae, Sparganothini), University of California Publications in Entomology 121, pp. 1-82 : 29 29
Murmidius irregularis     Jałoszyński, Paweł & Ślipiński, Adam, 2022, Revision of the family Murmidiidae (Coleoptera: Coccinelloidea), Zootaxa 5109 (1), pp. 1-102 : 56-58 56-58
Neohydnobius irregularis     Peck, Stewart B., Gnaspini, Pedro & Newton, Alfred F., 2020, Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America), Zootaxa 4741 (1), pp. 1-114 : 82 82
Falsocaenia irregularis     Bocakova, Milada, Baciakova, Barbora & Nascimento, Elynton Alves Do, 2012, Revision of the genus Falsocaenia (Coleoptera: Lycidae), Zootaxa 3478, pp. 282-296 : 285 285
Octophialucium irregularis   n.spec.  Schuchert, Peter & Collins, Richard, 2021, Hydromedusae observed during night dives in the Gulf Stream, Revue suisse de Zoologie 128 (2), pp. 237-356 : 310 310
Isoperla irregularis key    Verdone, Chris J. & Kondratieff, Boris, 2016, A New Species Of Isoperla Banks (Plecoptera: Perlodidae) From The Appalachian Mountains, Virginia & West Virginia, U. S. A., Illiesia 12 (13), pp. 74-85 : 83-85 83-85
Apodesmia irregularis     Broad, Gavin R., Shaw, Mark R. & Godfray, H. Charles J., 2016, Checklist of British and Irish Hymenoptera - Braconidae, Biodiversity Data Journal 4, pp. 8151-8151 : 8151 8151
Mosaica irregularis     Price, Benjamin Wills, Allan, Elizabeth Louise, Marathe, Kiran, Sarkar, Vivek, Simon, Chris & Kunte, Krushnamegh, 2016, The cicadas (Hemiptera: Cicadidae) of India, Bangladesh, Bhutan, Myanmar, Nepal and Sri Lanka: an annotated provisional catalogue, regional checklist and bibliography, Biodiversity Data Journal 4, pp. 8051-8051 : 8051 8051
Boiga irregularis     Karin, Benjamin R., Stubbs, Alexander L., Arifin, Umilaela, Bloch, Luke M., Ramadhan, G., Iskandar, Djoko T., Arida, Evy, Reilly, Sean B., Kusnadi, Agus & Mcguire, Jimmy A., 2018, The herpetofauna of the Kei Islands (Maluku, Indonesia): Comprehensive report on new and historical collections, biogeographic patterns, conservation concerns, and an annotated checklist of species from Kei Kecil, Kei Besar, Tam, and Kur, Raffles Bulletin of Zoology 66, pp. 704-738 : 729 729
Opius (Allotypus) irregularis     Gadallah, Neveen S., Ghahari, Hassan, Peris-Felipo, Francisco Javier & Fischer, Maximilian, 2016, Updated checklist of Iranian Opiinae (Hymenoptera: Braconidae), Zootaxa 4066 (1), pp. 1-40 : 13 13
Eodrilus irregularis     Csuzdi, Csaba, Szederjesi, Tímea & Sherlock, Emma, 2018, Annotated checklist of earthworm species described by András Zicsi (Clitellata: Megadrili), Zootaxa 4496 (1), pp. 11-42 : 13 13
Sphaeronectes irregularis     P. R. Pugh, 2009, A review of the family Sphaeronectidae (Class Hydrozoa, Order Siphonophora), with the description of three new species, Zootaxa 2147, pp. 1-48 : 46-47 46-47
Scaphinotus irregularis     Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 160 160
Megarcys irregularis     Stewart, Kenneth W. & Kondratieff, Boris C., 2012, Larvae Of The Nearctic Species Of The Stonefly Genus Megarcys Klapálek (Plecoptera: Perlodidae), Illiesia 8 (3), pp. 16-36 : 20-23 20-23
Orthoptera   new species  Brunner von Wattenwyl, C., 1888, Monographie der Stenopelmatiden und Gryllacriden., Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien 38, pp. 247-394 : 261 261

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