-48.644447, -11.822222: 10 Treatments

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Tetragonopterus anostomus     Silva, Gabriel S. C., Melo, Bruno F., Oliveira, Claudio & Benine, Ricardo C., 2016, Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species, Zootaxa 4200 (1), pp. 1-46: 27-29 27-29
Tetragonopterus akamai   new species  Araujo, Leonardo B. S. & Lucinda, Paulo H. F., 2014, A new species of the genus Tetragonopterus Cuvier, 1816 (Ostariophysi: Characiformes: Characidae) from the rio Tocantins drainage, Brazil, Neotropical Ichthyology 12 (2), pp. 309-315: 310-314 310-314
Potamotrygon garmani   sp. nov.  João Pedro Fontenelle & Marcelo R. De Carvalho, 2017, Systematic revision of the Potamotrygon scobina Garman, 1913 species-complex (Chondrichthyes: Myliobatiformes: Potamotrygonidae), with the description of three new freshwater stingray species from Brazil and comments on their distribution and biogeography, Zootaxa 4310 (1), pp. 1-63: 43-54 43-54
Brycon gouldingi     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: 129-133 129-133
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
Potamotrygon rex   sp. nov.  De Carvalho, Marcelo R., 2016, Potamotrygon rex, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855), Zootaxa 4150 (5), pp. 537-565: 538-552 538-552
Thaumasia onca   new species  Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64: 20-22 20-22
Centromochlus akwe   new species  Coelho, Fernanda L., Chamon, Carine C. & Sarmento-Soares, Luisa M., 2021, A new species of driftwood catfish Centromochlus Kner, 1858 (Siluriformes Auchenipteridae, Centromochlinae) from Tocantins-Araguaia River drainage, Zootaxa 4950 (1), pp. 149-165: 150-159 150-159
Oxyopes salticus     Santos, Adalberto J., 2017, The jumping lynx spider Oxyopes salticus Hentz, 1845 and its Neotropical relatives (Araneae: Oxyopidae), Zootaxa 4216 (5), pp. 457-481: 459-465 459-465
Charax niger     Menezes, Naércio A. & de Lucena, Carlos Alberto S., 2014, A taxonomic review of the species of Charax Scopoli, 1777 (Teleostei: Characidae: Characinae) with description of a new species from the rio Negro bearing superficial neuromasts on body scales, Amazon basin, Brazil, Neotropical Ichthyology 12 (2), pp. 193-228: 215-217 215-217