simplex, Tatia Mees [G. F.] 1974:90, Fig. 26 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Xaventina house beach, Rio dos Mortes, Mato Grosso, Brazil. Holotype (unique): BMNH 1971.7.29.5. Type catalog: Ferraris 2007:78 [ref. 29155]. •See Soares-Porto 1998:333 [ref. 23848]. •Valid but provisionally in Centromochlus -- (Sarmento-Soares & Martins-Pinheiro 2008:499 [ref. 29857], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares et al. 2013:798 [ref. 33029]). •Valid as Centromochlus simplex (Mees 1974) -- (Sarmento-Soares & Birindelli 2015:83 [ref. 33780], Grant 2015:2 [ref. 33806] in subgenus Balroglanis Grant 2015, Birindelli et al. 2015:872 [ref. 33961], Sarmento-Soares et al. 2017:[10] [ref. 35115]). •Valid as Tatia simplex Mees 1974 -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:78 [ref. 29155], Vari & Calegari 2014:667 [ref. 33612], Calegari et al. 2019:[82] [ref. 36961], Souza e Souza et al. 2020:1 [ref. 37455], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Ribeiro et al. 2022:12 [ref. 39328]). Current status: Valid as Tatia simplex Mees 1974. Auchenipteridae: Centromochlinae. Distribution: Tocantins-Araguaia River system, Brazil. Habitat: freshwater.