orphnopterus, Corydoras Weitzman [S. H.] & Nijssen [H.] 1970:125, Fig. 3 [Beaufortia v. 18 (no. 233); ref. 7481] Lower Río Bobonaza between Montalvo (2°06'S, 76°59'W) and Chicherota (2°22'S, 76°38'W), Ecuador. Holotype: USNM 204361. Paratypes: USNM 204362 (1), ZMA 110383 (1). Type catalog: Nijssen et al. 1982:48 [ref. 19236], Ferraris & Vari 1992:14 [ref. 19771], Ferraris 2007:121 [ref. 29155]. •Valid as Corydoras orphnopterus Weitzman & Nijssen 1970 -- (Nijssen & Isbrücker 1980:202 [ref. 6910], Burgess 1989:366 [ref. 12860], Isbrücker 2001:231 [ref. 26805], Reis in Reis et al. 2003:300 [ref. 27061], Ferraris 2007:121 [ref. 29155], Barriga Salazar 2014:111 [ref. 35745] as orphonopterus). Current status: Valid as Corydoras orphnopterus Weitzman & Nijssen 1970. Callichthyidae: Corydoradinae. Distribution: Pastaza River basin, Ecuador. Habitat: freshwater.