-55.5475, -11.441944: 10 Treatments

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Geophagus pyrineusi   sp. nov.  Deprá, Gabriel De Carvalho, Ohara, Willian Massaharu & Silva, Hugmar Pains, 2022, Geophagus pyrineusi: a new species from the rio Teles Pires, rio Tapajós basin, Brazil (Cichliformes: Cichlidae: Geophagini), Zootaxa 5162 (1), pp. 37-53 : 42-50 42-50
Brycon falcatus     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 : 142-158 142-158
Rhinotocinclus chromodontus   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 : 80-81 80-81
Marmosops (Sciophanes) marina   sp. nov.  Ferreira, Claudilívia, Oliveira, Ana Cristina Mendes De, Lima-Silva, Luan Gabriel & Rossi, Rogério Vieira, 2020, Taxonomic review of the slender mouse opossums of the “ Parvidens ” group from Brazil (Didelphimorphia: Didelphidae: Marmosops), with description of a new species, Zootaxa 4890 (2), pp. 201-233 : 208-221 208-221
Scybalocanthon uniplagiatus   comb. nov.  Silva, Fernando A. B. & Valois, Marcely, 2019, A taxonomic revision of the genus Scybalocanthon Martínez, 1948 (Coleoptera Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 4629 (3), pp. 301-341 : 337-338 337-338
Acestrocephalus acutus   sp. nov.  Menezes, Naércio A., 2006, Description of five new species of Acestrocephalus Eigenmann and redescription of A. sardina and A. boehlkei (Characiformes: Characidae), Neotropical Ichthyology 4 (4), pp. 385-400 : 397-398 397-398
Archolaemus luciae   sp. nov.  Vari, Richard P., Santana, Carlos David De & Wosiacki, Wolmar B., 2012, South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles, Zoological Journal of the Linnean Society 165 (3), pp. 670-699 : 689-692 689-692
Caenotropus schizodon   new species  Alexandre Scharcansky & Carlos Alberto Santos de Lucena, 2007, Caenotropus schizodon, a new chilodontid fish from the Rio Tapajos drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae)., Zootaxa 1557, pp. 59-66 : 60-63 60-63
Leporinus sidlauskasi   sp. nov.  Britski, Heraldo A. & Birindelli, José L., 2019, Description of a new species of Leporinus (Characiformes: Anostomidae) from the Rio Tapajós basin, Brazil, Zootaxa 4603 (1), pp. 183-191 : 184-188 184-188
Bryconadenos tanaothoros   sp. nov.  Weitzman, Stanley H., Menezes, Naércio A., Evers, Hans-Georg & Burns, John R., 2005, Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae), Neotropical Ichthyology 3 (3), pp. 329-360 : 338-348 338-348