auroguttatus, Trichomycterus Costa [W. J. E. M.] 1992:105, Fig. 6 [Revue française d'Aquariologie Herpétologie v. 18 (no. 4) [for 1991]; ref. 19725] Rio Marimbondo, tributary of Rio Preto, Rio Paraiba basin, 1 kilometer west of Visconde de Mauá, Rio de Janeiro, Brazil. Holotype: MZUSP 43341. Paratypes: MNRJ 611 (4), 640 (2); MZUSP 43342 (4). Type catalog: Ferraris 2007:415 [ref. 29155]. •Synonym of Trichomycterus alternatus (Eigenmann 1917) -- (Reis & de Pinna 2022:15 [ref. 39360]). •Valid as Trichomycterus auroguttatus Costa 1992 -- (Bizerril 1994:623 [ref. 22673], Burgess & Finley 1996:167 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:279 [ref. 27061], Bockmann et al. 2004:227 [ref. 27855], Ferraris 2007:415 [ref. 29155], Barbosa & Costa 2010:120 [ref. 30782], Barbosa & Costa 2011:308 [ref. 31672], Barbosa & Costa 2012:81 [ref. 31901], Costa et al. 2022:513 [ref. 39820] in subgenus Psammocambeva, Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus auroguttatus Costa 1992. Trichomycteridae: Trichomycterinae. Distribution: South America: upper Rio Preto drainage, Paraíba do Sul basin (Rio de Janeiro State, Brazil). Habitat: freshwater.