depressus, Chaetostomus Günther [A.] 1868:476 [Annals and Magazine of Natural History (Series 4) v. 1 (no. 6) (art. 56); ref. 1992] Probably Suriname. Holotype (unique): BMNH 1866.8.14.139. Type catalog: Ferraris 2007:287 [ref. 29155]. Original genus is correctly Chaetostoma. Also published in Günther (Sept.) 1868:232 [ref. 5756]. •Valid as Pseudancistrus depressus (Günther 1868) -- (Isbrücker 1980:10 [ref. 2303], Burgess 1989:429 [ref. 12860], Isbrücker 2001:26, 32 [ref. 25653], Isbrücker 2002:27 [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 2008:52 [ref. 29881], Willink et al. 2010:41 [ref. 30670], Silva et al. 2014:2 [ref. 33302], Silva et al. 2015:21 [ref. 33679]). Current status: Valid as Pseudancistrus depressus (Günther 1868). Loricariidae: Hypostominae. Distribution: Rivers of central Suriname: Suriname and Coppename rivers. Habitat: freshwater.