bicornis, Roeboides Cope [E. D.] 1870:564, Fig. [Proceedings of the American Philosophical Society v. 11; ref. 914] Pebas, Peru. Holotype (unique): ANSP 8151. Type catalog: Böhlke 1984:43 [ref. 13621]. •Valid as Roeboides bicornis Cope 1870 -- (Ortega & Vari 1986:9 [ref. 9708]). •Synonym of Roeboides affinis (Günther 1868) -- (Lucena 1998:36 [ref. 23597], Lucena & Menezes in Reis et al. 2003:205 [ref. 27061], Lucena 2007:119 [ref. 29256], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:18 [ref. 35117], Koerber et al. 2017:29 [ref. 35267]). Current status: Synonym of Roeboides affinis (Günther 1868). Characidae: Characinae. Habitat: freshwater.