ortonianus, Prochilodus Cope [E. D.] 1878:685 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Nauta, Peru. Holotype (unique): ANSP 21267. Type catalog: Böhlke 1984:148 [ref. 13621]. •Valid as Prochilodus ortonianus Cope 1878. •Synonym of Prochilodus nigricans Spix & Agassiz 1829 -- (Castro & Vari in Reis et al. 2003:67 [ref. 27061], Castro & Vari 2003:123 [ref. 28606]). Current status: Synonym of Prochilodus nigricans Spix & Agassiz 1829. Prochilodontidae. Habitat: freshwater.