lepturus, Chaetostomus Regan [C. T.] 1912:667, Pl. 75 (fig. 1) [Proceedings of the Zoological Society of London 1912 (pt 3) (art. 36); ref. 14862] Río Tamana, Río San Juan system, Chocó Dept., southwestern Colombia. Syntypes: BMNH 1910.7.11.116-118 (3). Type catalog: Ferraris 2007:229 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma lepturum Regan 1912 -- (Isbrücker 1980:61 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Ferraris 2007:229 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma lepturum Regan 1912. Loricariidae: Hypostominae. Distribution: Upper San Juan River basin, Colombia. Habitat: freshwater.