acuta, Loricaria Valenciennes [A.] in Cuvier & Valenciennes 1840:472, Pl. 452 [Histoire naturelle des poissons v. 15; ref. 1008] Brazil ("believed to be from"). Holotype (unique): MNHN. Type catalog: Ferraris 2007:269 [ref. 29155]. •Valid as Loricariichthys acutus (Valenciennes 1840) -- (Isbrücker 1980:125 [ref. 2303], Isbrücker 1981:87 [ref. 5522], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:444 [ref. 12860], Isbrücker 2001:29, 30 [ref. 25653], Isbrücker 2002:23 [ref. 27178], Ferraris in Reis et al. 2003:338 [ref. 27061], Ferraris 2007:269 [ref. 29155], Silvano et al. 2020:262 [ref. 38135], Meza-Vargas et al. 2021:26 [ref. 39298]). Current status: Valid as Loricariichthys acutus (Valenciennes 1840). Loricariidae: Loricariinae. Distribution: South America: Rio Tapajós (Brazil and Peru). Habitat: freshwater.