pecten, Copionodon de Pinna [M. C. C.] 1992:182, Figs. 1-2 [Zoological Journal of the Linnean Society v. 106 (no. 3); ref. 21084] Rio Mucujê, tributary of River Paraguaçu, Bahia, Brazil, about 13°00'S, 41°23'W, elevation 1200 meters. Holotype: MZUSP 42461. Paratypes: AMNH 94439 (2), MZUSP 42462 (33, 5 c&s), USNM 316023 (2). Type catalog: Ferraris 2007:404 [ref. 29155]. •Valid as Copionodon pecten de Pinna 1992 -- (Bizerril 1994:624 [ref. 22673], Burgess & Finley 1996:167 [ref. 22901], de Pinna 1998:298 [ref. 23847], 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], Fernández et al. 2015:14 [ref. 35041], de Pinna et al. 2018:[8] [ref. 35972], Silva et al. 2020:12 [ref. 37809]). Current status: Valid as Copionodon pecten de Pinna 1992. Trichomycteridae: Copionodontinae. Distribution: South America: Mucujê River, tributary to Paraguaçu River (Bahia State, Brazil). Habitat: freshwater.