guttatus, Hypostomus Valenciennes [A.] in Cuvier & Valenciennes 1840:508 [Histoire naturelle des poissons v. 15; ref. 1008] Region near Paramaribo, Suriname. Holotype (unique): RMNH 3126. Type catalog: Ferraris 2007:287 [ref. 29155]. For information on type and locality see Boeseman 1972:305 [ref. 19698], also Isbrücker 1980:10 [ref. 2303]. •Synonym of Pseudancistrus barbatus (Valenciennes 1840) -- (Isbrücker 1980:10 [ref. 2303], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Fisch-Muller in Reis et al. 2003:394 [ref. 27061], Armbruster 2004:5 [ref. 27844], Ferraris 2007:287 [ref. 29155], De Chambrier & Montoya-Burgos 2008:46 [ref. 29881]). Current status: Synonym of Pseudancistrus barbatus (Valenciennes 1840). Loricariidae: Hypostominae. Habitat: freshwater.