porosus, Trachycorystes Eigenmann [C. H.] & Eigenmann [R. S.] 1888:154 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] Brazil. Syntypes: MCZ 7351 (2). Type catalog: Ferraris 2007:81 [ref. 29155]. •Species inquirenda in family Auchenipteridae -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:81 [ref. 29155]). •Valid as Trachycorystes pororsus (Eigenmann & Eigenmann 1888) -- (Careaga et al. 2020:77 [ref. 37774]). •Valid as Trachelyopterus porosus (Eigenmann & Eigenmann 1888) -- (Calegari et al. 2019:[90] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Trachelyopterus porosus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Distribution: South America: Bolivia, Brazil and Peru. Habitat: freshwater.