orthiocarinatus, Copionodon de Pinna [M. C. C.] 1992:188, Figs. 3-4 [Zoological Journal of the Linnean Society v. 106 (no. 3); ref. 21084] Rio Mucujê, tributary of Rio Paraguaçu, Bahia, Brazil, about 13°00'S, 41°23'W, elevation 1200 meters. Holotype: MZUSP 42463. Paratypes: MZUSP 42464 (2, 1 c&s). Type catalog: Ferraris 2007:404 [ref. 29155]. •Valid as Copionodon orthiocarinatus de Pinna 1992 -- (Bizerril 1994:624 [ref. 22673], Burgess & Finley 1996:167 [ref. 22901] as orthocarinatus, Campanario & de Pinna 2000:369 [ref. 25080], de Pinna & Wosiacki in Reis et al. 2003:273 [ref. 27061], Ferraris 2007:404 [ref. 29155], Bichuette et al. 2008:302 [ref. 29835], de Pinna et al. 2018:[8] [ref. 35972], Silva et al. 2020:12 [ref. 37809], Vieira-Guimarães et al. 2024:49 [ref. 41258]). Current status: Valid as Copionodon orthiocarinatus de Pinna 1992. Trichomycteridae: Copionodontinae. Distribution: South America: Mucujê River, tributary to Paraguaçu River, Bahia State (Brazil). Habitat: freshwater.