-51.883335, -1.5: 10 Treatments

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Spectracanthicus zuanoni   new species  Chamon, Carine C. & Rapp Py-Daniel, Lúcia H., 2014, Taxonomic revision of Spectracanthicus Nijssen & Isbrücker (Loricariidae: Hypostominae: Ancistrini), with description of three new species, Neotropical Ichthyology 12 (1), pp. 1-25: 19-22 19-22
Leptodoras juruensis     Sabaj, Mark Henry, 2005, Taxonomic assessment of Leptodoras (Siluriformes: Doradidae) with descriptions of three new species, Neotropical Ichthyology 3 (4), pp. 637-678: 671-673 671-673
Cetopsis coecutiens     Vari, Richard P., Ferraris Jr, Carl J. & de Pinna, Mário C. C., 2005, The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study, Neotropical Ichthyology 3 (2), pp. 127-238: 162-164 162-164
Centroctenus varzea   sp. nov.  Brescovit, Antonio D., Torres, Richard A., Rego, Felipe N. A. A. & Polotow, Daniele, 2020, Six new species of the spider genus Centroctenus Mello-Leitão from the Neotropical region (Ctenidae, Cteninae), Zootaxa 4877 (2), pp. 311-328: 322-327 322-327
Coleoptera     Guimarães, Bruno A. C. & Ferreira-Jr, Nelson, 2019, Two new species and new records of Notomicrus Sharp, 1882 (Coleoptera: Noteridae) from Brazil, Zootaxa 4629 (2), pp. 263-270: 268 268
Camelobaetidius leentvaari     Boldrini, R., Salles, F. F. & Pes, A. M. O., 2012, Review of the genus Camelobaetidius Demoulin (Ephemeroptera: Baetidae) with reduced terminal filament, Journal of Natural History 46 (33 - 34), pp. 2033-2073: 2057-2061 2057-2061
Actinopus caxiuana   sp. nov.  Miglio, Laura Tavares, Pérez-Miles, Fernando & Bonaldo, Alexandre B., 2020, Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae), Megataxa 2 (1), pp. 1-2: 108-111 108-111
Martarega membranacea     Barbosa, Julianna Freires, Ribeiro, José Ricardo Inacio & Nessimian, Jorge Luiz, 2012, A synopsis of Martarega White, 1879 (Insecta: Heteroptera: Notonectidae) occurring in the Brazilian Amazonia, with descriptions of three new species, Journal of Natural History 46 (17 - 18), pp. 1025-1057: 1038-1039 1038-1039
Characiformes     Lima, Flávio C. T., 2017, A revision of the cis-andean species of the genus Brycon Müller & Troschel (Characiformes: Characidae), Zootaxa 4222 (1), pp. 1-189: 112-129 112-129
Characiformes     Mateussi, Nadayca T. B., Oliveira, Claudio & Pavanelli, Carla S., 2018, Taxonomic revision of the Cis-Andean species of Mylossoma Eigenmann & Kennedy, 1903 (Teleostei: Characiformes: Serrasalmidae), Zootaxa 4387 (2), pp. 275-309: 287-293 287-293