-55.47889, -6.7605557: 10 Treatments

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Corydoras psamathos   sp. nov.  Tencatt, Luiz Fernando Caserta, Ohara, Willian Massaharu, Sousa, Leandro Melo de & Britto, Marcelo Ribeiro de, 2022, Science and hobby joining forces for the discovery of three new Corydoras (Siluriformes: Callichthyidae) from the rio Tapajós basin, Brazil, with comments on Corydoras sp. CW 111, Neotropical Ichthyology (e 220070) 20 (3), pp. 1-40 : 24-32 24-32
Deguelia decorticans   sp. nov.  Camargo, Rodrigo A. & Tozzi, Ana Maria G. A., 2014, A new species of Deguelia (Leguminosae, Papilionoideae) from the Brazilian Amazon Basin, Phytotaxa 184 (3), pp. 160-164 : 161 161
Leptodoras oyakawai   sp. nov.  Birindelli, José L. O., Sousa, Leandro M. & Sabaj Pérez, Mark H., 2008, New species of thorny catfish, genus Leptodoras Boulenger (Siluriformes: Doradidae), from Tapajós and Xingu basins, Brazil, Neotropical Ichthyology 6 (3), pp. 465-480 : 466-475 466-475
Rhinotocinclus britskii   comb. nov.  Reis, Roberto E. & Lehmann A., Pablo, 2022, A new genus of armored catfish (Siluriformes: Loricariidae) from the Greater Amazon, with a review of the species and description of five new species, Neotropical Ichthyology (e 220002) 20 (2), pp. 1-100 : 19-22 19-22
Pseudocanthon xanthurus     Nazaré-Silva, Everton E. & Silva, Fernando A. B., 2021, A taxonomic revision of the South American species of Pseudocanthon Bates, 1887 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 5027 (1), pp. 61-86 : 67-75 67-75
Hexapopha quadraginta   sp. nov.  Feitosa, Níthomas M., Ott, Ricardo & Bonaldo, Alexandre B., 2023, Meeting the southern brothers: a revision of the Neotropical spider genus Hexapopha Platnick, Berniker & Víquez, 2014 (Araneae, Oonopidae), Zootaxa 5329 (1), pp. 1-150 : 113-117 113-117
Hexapopha numerosa   sp. nov.  Feitosa, Níthomas M., Ott, Ricardo & Bonaldo, Alexandre B., 2023, Meeting the southern brothers: a revision of the Neotropical spider genus Hexapopha Platnick, Berniker & Víquez, 2014 (Araneae, Oonopidae), Zootaxa 5329 (1), pp. 1-150 : 87-93 87-93
Thaumasia argenteonotata     Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64 : 9-11 9-11
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. 1-256 : 108-111 108-111
Uchuca ferreirai     Tavares, Gustavo Costa, Sovano, Rafael Segtowick Da Silva & Gutjahr, Ana Lúcia Nunes, 2016, Clarification of the katydid genus Uchuca Giglio-tos, 1898 (Orthoptera: Tettigoniidae): A new species in the Brazilian Amazon Rainforest, Zootaxa 4139 (4), pp. 542-550 : 547-548 547-548