barrae, Ancistrus Steindachner [F.] 1910:58 [Anzeiger der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftlichen Klasse v. 47 (no. 8) (for 10 Mar. 1910); ref. 14813] Rio São Francisco near Barra, Brazil. Syntypes: NMW 48019-20 (1, 1). Type catalog: Ferraris 2007:272 [ref. 29155]. •Valid as Megalancistrus barrae (Steindachner 1910) -- (Isbrücker 1980:52 [ref. 2303], Burgess 1989:434 [ref. 12860], Isbrücker 2001:25, 30 [ref. 25653], Isbrücker 2002:23 [ref. 27178], Fisch-Muller in Reis et al. 2003:390 [ref. 27061], Ferraris 2007:272 [ref. 29155], Silva et al. 2020:11 [ref. 37809]). Current status: Valid as Megalancistrus barrae (Steindachner 1910). Loricariidae: Hypostominae. Distribution: South America: São Francisco River basin (Brazil). Habitat: freshwater.