nigripinnis, Myletes Cope [E. D.] 1878:693 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Nauta, Peruvian Amazon, Peru. Lectotype: ANSP 21124. Paralectotype: larger specimen mentioned in original description (whereabouts unknown). Type catalog: Böhlke 1984:51 [ref. 13621] as holotype. Lectotype selected by Fowler 1907:473, Fig. 55 [ref. 1374]. •Synonym of Colossoma macropomum (Cuvier 1816) -- (Taphorn 1992:161 [ref. 23654], Jégu in Reis et al. 2003:183 [ref. 27061], Ota et al. 2024:405 [ref. 40817]). Current status: Synonym of Colossoma macropomum (Cuvier 1816). Serrasalmidae: Colossomatinae. Habitat: freshwater.