-46.81972, -11.373889: 10 Treatments

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Jaguajir agamemnon   comb. nov.  Lauren A. Esposito, Humberto Y. Yamaguti, Cláudio A. Souza, Ricardo Pinto-Da-Rocha & Lorenzo Prendini, 2017, Systematic Revision of the Neotropical Club-Tailed Scorpions, Physoctonus, Rhopalurus, and Troglorhopalurus, Revalidation of Heteroctenus, and Descriptions of Two New Genera and Three New Species (Buthidae: Rhopalurusinae), Bulletin of the American Museum of Natural History 415, pp. 1-134: 80-82 80-82
Hyphessobrycon ataktos   new species  Marinho, Manoela M. F., Dagosta, Fernando C. P. & Birindelli, José L. O., 2014, Hemigrammus ataktos: a new species from the rio Tocantins basin, central Brazil (Characiformes: Characidae), Neotropical Ichthyology 12 (2), pp. 257-264: 258-261 258-261
Simothraulopsis primus   sp. nov.  Orlando, Thales Yann, Krolow, Tiago Kütter & Boldrini, Rafael, 2019, A new species of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae), Zootaxa 4674 (3), pp. 363-368: 364-367 364-367
Charax leticiae     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: 207-209 207-209
Cryptachaea parana     Santanna, Manoela, Rodrigues, Everton Nei Lopes, Cizauskas, Igor & Brescovit, Antonio Domingos, 2019, On the spider genus Cryptachaea from Peru, Bolivia and cave environments in Brazil: a new species, additional descriptions and new records (Araneae, Theridiidae), Zootaxa 4646 (2), pp. 271-292: 276-278 276-278
Serrapinnus sterbai     Malabarba, Luiz R. & Jerep, Fernando C., 2014, Review of the species of the genus Serrapinnus Malabarba, 1998 (Teleostei: Characidae: Cheirodontinae) from the rio Tocantins-Araguaia basin, with description of three new species, Zootaxa 3847 (1), pp. 57-79: 67-70 67-70
Rhinopetitia myersi subsp. myersi     Menezes, Naércio A. & Netto-Ferreira, Andre L., 2019, A systematic review of Rhinopetitia Géry (Teleostei, Characiformes, Characidae) with descriptions of four new species and redescription of R. myersi Géry, Zootaxa 4700 (1), pp. 59-86: 62-67 62-67
Leporinus multimaculatus   new species  Birindelli, José L. O., Teixeira, Tulio F. & Britski, Heraldo A., 2016, Two new species of Leporinus Agassiz, 1929 (Characiformes: Anostomidae) from tributaries of the lower Amazon basin in Brazil, Zootaxa 4178 (1), pp. 97-115: 98-105 98-105
Parotocinclus pentakelis   new species  Roxo, Fabio F., Messias, Felipe L. & Silva, Gabriel S. C., 2019, A new species of Parotocinclus (Loricariidae: Hypoptopomatinae) from Rio Tocantins basin, Brazil, Zootaxa 4646 (2), pp. 346-356: 347-350 347-350
Poecilia (Pamphorichthys) akroa   sp. n.  Figueiredo, Carlos Augusto & Moreira, Cristiano R., 2018, Poecilia (Pamphorichthys) akroa, a new poeciliid species (Cyprinodontiformes: Poeciliidae) from the Rio Tocantins basin, Brazil, Zootaxa 4461 (3), pp. 438-444: 439-443 439-443