Genycharax Eigenmann [C. H.] 1912:22 Masc. Genycharax tarpon Eigenmann 1912. Type by original designation (also monotypic). •Valid as Genycharax Eigenmann 1912 -- (Géry 1977:531 [ref. 1597], Pavanelli in Reis et al. 2003:128 [ref. 27061], Mirande 2009:11 [ref. 30267] as incertae sedis in Characidae, Mirande 2010:545 [ref. 31006]). •Synonym of Astyanax Baird & Girard 1854 -- (Melo et al. 2024:29 [ref. 41541] in Acestrorhamphinae). Current status: Synonym of Astyanax Baird & Girard 1854. Acestrorhamphidae: Acestrorhamphinae.