-59.742966, 3.4431667: 10 Treatments

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Cetopsidium soniae   new species  Vari, Richard P. & Ferraris Jr, Carl J., 2009, New species of Cetopsidium (Siluriformes: Cetopsidae: Cetopsinae) from the upper rio Branco system in Guyana, Neotropical Ichthyology 7 (3), pp. 289-293: 290-293 290-293
Siluriformes   new species  Jonathan W. Armbruster, 2003, Peckoltia sabaji, a new species from the Guyana Shield (Siluriformes: Loricariidae)., Zootaxa 344, pp. 1-12: 6-11 6-11
Leptodoras linnelli     Sabaj, Mark Henry, 2005, Taxonomic assessment of Leptodoras (Siluriformes: Doradidae) with descriptions of three new species, Neotropical Ichthyology 3 (4), pp. 637-678: 654-662 654-662
Trichoptera   new combination  Santos, Allan Paulo Moreira, 2020, A review of the Neotropical microcaddisfly genus Acostatrichia Mosely, 1939 with description of a new species from Brazil (Trichoptera: Hydroptilidae: Leucotrichiinae), Zootaxa 4755 (2), pp. 201-230: 228 228
Polyplectropus kanukarum   new species  Chamorro, Maria Lourdes & Holzenthal, Ralph W., 2010, 2582, Zootaxa 2582, pp. 1-252: 228-230 228-230
Stenus parviceps     Puthz, Volker, 2017, Übersicht über die neotropischen Arten der Gattung Stenus LATREILLE mit seitlich ungerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 351. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 49 (1), pp. 749-883: 819-820 819-820
Ormiophasia causeyi     Gudin, Filipe M. & Nihei, Silvio S., 2019, Taxonomic revision of the Neotropical genus Ormiophasia Townsend, 1919 (Diptera: Tachinidae), with the description of eight new species, Zootaxa 4643 (1), pp. 1-74: 25-29 25-29
Hydrochus obscurus     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: 48 48
Harpagobaetis gulosus     Falcão, J. N., Salles, F. F. & Hamada, N., 2010, The adults of Harpagobaetis Mol and Tomedontus Lugo-Ortiz and McCafferty (Ephemeroptera: Baetidae) with notes on the nymphal stage, Zootaxa 2530 (1), pp. 39-46: 41-42 41-42
Ephemeroptera     Do, Jeane M. C., Salles, Frederico F. & Hamada, Neusa, 2017, Systematics of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae), Zootaxa 4285 (1), pp. 1-81: 9-14 9-14