bahianus, Trichomycterus Costa [W. J. E. M.] 1992:105, Fig. 5 [Revue française d'Aquariologie Herpétologie v. 18 (no. 4) [for 1991]; ref. 19725] Tributary stream of ribeirao Caveira, Rio Una basin, 6.5 kilometers southeast of São José, Bahia, Brazil. Holotype: MZUSP 43340. Paratypes: MZUSP 38636 (8). Type catalog: Ferraris 2007:415 [ref. 29155]. •Valid as Trichomycterus bahianus Costa 1992 -- (Bizerril 1994:623 [ref. 22673], Burgess & Finley 1996:168 [ref. 22901], de Pinna & Wosiacki in Reis et al. 2003:279 [ref. 27061], Ferraris 2007:415 [ref. 29155], Barbosa & Costa 2011:308 [ref. 31672], Silva et al. 2020:13 [ref. 37809], Vieira-Guimarães et al. 2024:50 [ref. 41258]). Current status: Valid as Trichomycterus bahianus Costa 1992. Trichomycteridae: Trichomycterinae. Distribution: South America: tributary Stream of Ribeirão Caveira, Una River basin, Bahia State (Brazil). Habitat: freshwater.