This dataset contains the digitized treatments in Plazi based on the original journal article Souza, Jordson de Souza e, Sarmento-Soares, Luisa M., Canto, André L. Colares, Ribeiro, Frank Raynner V. (2020): Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae). Neotropical Ichthyology (Neotrop. Ichthyol.) 18 (1), No. e 190111: 1-18, DOI: 10.1590/1982-0224-2019-0111, URL: http://dx.doi.org/10.1590/1982-0224-2019-0111