brevifilis, Ancistrus Eigenmann [C. H.] 1920:7, Fig. 2; Pl. 1 [Indiana University Studies v. 7 (no. 44); ref. 11120] Río Tiquirito at El Concejo, Venezuela. Holotype: CAS 64609 [ex IU 15080]. Paratypes: CAS 64610 [ex IU 15080] (2). Type catalog: Ferraris 2007:219 [ref. 29155]. •Valid as Ancistrus brevifilis Eigenmann 1920 -- (Isbrücker 1980:66 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:25 [ref. 25653], Isbrücker 2002:12 [ref. 27178], Fisch-Muller in Reis et al. 2003:374 [ref. 27061], Ferraris 2007:219 [ref. 29155], DoNascimiento 2016:532 [ref. 34727], see DoNascimiento et al. 2017:[20] [ref. 35679], de Souza et al. 2019:14 [ref. 36504]). Current status: Valid as Ancistrus brevifilis Eigenmann 1920. Loricariidae: Hypostominae. Distribution: Tuy River basin, Caribbean Sea coast, Venezuela. Habitat: freshwater.