Ctenobrycon Eigenmann [C. H.] 1908:94 Masc. Tetragonopterus hauxwellianus Cope 1870. Type by original designation (also monotypic). •Valid as Ctenobrycon Eigenmann 1908 -- (Géry 1977:431 [ref. 1597], Taphorn 1992:176 [ref. 23654], Britski et al. 1999:36 [ref. 24147], Benine & Cassati in Reis et al. 2003:126 [ref. 27061], Mirande 2009:7 [ref. 30267] and Mirande 2010:514 [ref. 31006] in Characidae, Astyanax clade with question, Sarmiento et al. 2014:184 [ref. 35004], Bertaco et al. 2016:413 [ref. 34561], Melo et al. 2024:29 [ref. 41541] in Acestrorhamphinae). Current status: Valid as Ctenobrycon Eigenmann 1908. Acestrorhamphidae: Acestrorhamphinae.