Hopliancistrus Isbrücker [I. J. H.] & Nijssen [H.] 1989:543 Masc. Hopliancistrus tricornis Isbrücker & Nijssen 1989. Type by original designation (also monotypic). •Valid as Hopliancistrus Isbrücker & Nijssen 1989 -- (Burgess & Finley 1996:169 [ref. 22901], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2002:18 [ref. 27178], Fisch-Muller in Reis et al. 2003:386 [ref. 27061], Armbruster 2004:53, 59 [ref. 27644], Ferraris 2007:249 [ref. 29155], Oliveira et al. 2021:3 [ref. 38080]). Current status: Valid as Hopliancistrus Isbrücker & Nijssen 1989. Loricariidae: Hypostominae.