brachycephalus, Xiphorhamphus Cope [E. D.] 1894:84, Pl. 4 [Proceedings of the American Philosophical Society v. 33; ref. 965] Rio Grande do Sul, Brazil. Lectotype: ANSP 21728. Paralectotypes: ANSP 21917 (1). Type catalog: Böhlke 1984:44 [ref. 13621] as holotype and paratype. Lectotype established by Fowler 1907:460 [ref. 1374]. •Synonym of Oligosarcus jenynsii (Günther 1864) -- (Menezes 1987:24 [ref. 20060], Malabarba 1989:137 [ref. 14217], Braga 1994:22 [ref. 27878], Menezes in Reis et al. 2003:151 [ref. 27061], Litz & Koerber 2014:15 [ref. 33622], Mirande & Koerber 2015:25 [ref. 35117]). Current status: Synonym of Oligosarcus jenynsii (Günther 1864). Characidae: Stethaprioninae. Habitat: freshwater.