oroyae, Pygidium Eigenmann [C. H.] & Eigenmann [R. S.] 1889:51 [Proceedings of the California Academy of Sciences (Series 2) v. 2; ref. 1253] Rio Oroya, Pochachara, Brazil. Syntypes: MCZ 3955 (8). Type catalog: Ferraris 2007:423 [ref. 29155]. •Synonym of Trichomycterus rivulatus Valenciennes 1846 -- (Burgess 1989:323 [ref. 12860], de Pinna & Wosiacki in Reis et al. 2003:284 [ref. 27061], Ferraris 2007:423 [ref. 29155]). •Valid as Trichomycterus oroyae (Eigenmann & Eigenmann 1889) -- (Ortega & Vari 1986:15 [ref. 9708], Fernández & Chuquihuamaní 2007:55 [ref. 29320], García-Melo et al. 2016:237 [ref. 34471]). Current status: Valid as Trichomycterus oroyae (Eigenmann & Eigenmann 1889). Trichomycteridae: Trichomycterinae. Distribution: Andes and Brazil. Habitat: freshwater.