-48.633335, -11.05: 11 Treatments

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Jupiaba elassonaktis   new species  Thiago N. A. Pereira & Paulo H. F. Lucinda, 2007, A new species of Jupiaba Zanata, 1997 (Ostariophysi, Characiformes, Characidae) from the rio Tocantins drainage, Brazil., Zootaxa 1614, pp. 53-60: 54-57 54-57
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
Simpsonichthys multiradiatus     Wilson J. E. M. Costa, 2007, Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae)., Zootaxa 1669, pp. 1-134: 126-128 126-128
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
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 (Ca, Zootaxa 4150 (5), pp. 537-565: 538-552 538-552
Leptomantispa chaos     Alvim, Breno Ganns Chaves, Machado, Renato Jose Pires & Krolow, Tiago Kütter, 2019, Mantidflies (Neuroptera, Mantispidae) from Tocantins state (Brazil): distribution and identification key, Check List 15 (2), pp. 275-285: 282 282
Moenkhausia hysterosticta   new species  Paulo H. F. Lucinda, Luiz R. Malabarba & Ricardo C. Benine, 2007, On a new species of the genus Moenkhausia Eigenmann (Ostariophysi: Characidae)., Zootaxa 1525, pp. 61-68: 62-67 62-67
Tetragonopterus denticulatus     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: 31 31
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 , Zootaxa 4310 (1), pp. 1-63: 43-54 43-54
Runcinioides argenteus     Faleiro, Bárbara T. & Santos, Adalberto J., 2019, Revision of the crab-spiders of the genus Runcinioides Mello-Leitão, 1929 (Araneae, Thomisidae), Zootaxa 4567 (1), pp. 25-46: 29-33 29-33
Ariadna boliviana     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. -1--1: 59-62 59-62