-57.416668, -11.533334: 10 Treatments

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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
Schizodon paucisquamis   sp. nov.  Britski, Heraldo A., Garavello, Júlio C. & Ramirez, Jorge L., 2023, Description of a new species of Schizodon (Characiformes: Anostomidae) from the upper rio Tapajós basin, Brazil, Zootaxa 5330 (1), pp. 135-140 : 136-139 136-139
Acestrocephalus nigrifasciatus   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 : 395-397 395-397
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
Moenkhausia mutum   sp. nov.  Dagosta, Fernando C. P. & Marinho, Manoela M. F., 2016, A new species of Moenkhausia Eigenmann (Characiformes: Characidae) from the rio Arinos basin, Brazil, Neotropical Ichthyology 14 (2), No. e 150052, pp. 1-7 : 2-6 2-6
Corydoras apiaka   sp. nov.  Espíndola, Vinicius C., Spencer, Marcelo R. S., Rocha, Leandro R. & Britto, Marcelo R., 2014, A new species of Corydoras Lacépède (Siluriformes: Callichthyidae) from the Rio Tapajós basin and its phylogenetic implications, Papéis Avulsos de Zoologia (São Paulo) 54 (3), pp. 25-32 : 26-31 26-31
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
Dinoponera mutica     Dias, Amanda Martins & Lattke, John Edwin, 2021, Large ants are not easy - the taxonomy of Dinoponera Roger (Hymenoptera: Formicidae: Ponerinae), European Journal of Taxonomy 784 (1), pp. 1-66 : 45-47 45-47
Leporinus villasboasorum   sp. nov.  Burns, Michael D., Chatfield, Marcus, Birindelli, José L. O. & Sidlauskas, Brian L., 2017, Systematic assessment of the Leporinus desmotes species complex, with a description of two new species, Neotropical Ichthyology 15 (2), No. e 160166, pp. 1-24 : 8-13 8-13
Epicharis (Epicharitides) minima     Villamizar, Germán & Vivallo, Felipe, 2024, Taxonomic revision of the oil-collecting bee subgenus Epicharis (Epicharitides) Moure, 1945 (Hymenoptera: Apidae), with the description of two new species, European Journal of Taxonomy 928 (1), pp. 1-61 : 31-35 31-35