Megalamphodus Eigenmann [C. H.] 1915:49 Masc. Megalamphodus megalopterus Eigenmann 1915. Type by original designation. •Synonym of Hyphessobrycon Durbin 1908 -- (Weitzman & Palmer 1997:232 [ref. 22743], see Malabarba 1998:230 [ref. 23844], Lima & Malabarba in Reis et al. 2003:134 [ref. 27061], Malabarba et al. 2012:57 [ref. 31810]). •Valid as Megalamphodus Eigenmann 1915 -- (Géry 1977:583 [ref. 1597], Taphorn 1992:251 [ref. 23654], Britski et al. 1999:44 [ref. 24147], Melo et al. 2024:21 [ref. 41541] in Megalamphodinae). Current status: Valid as Megalamphodus Eigenmann 1915. Acestrorhamphidae: Megalamphodinae.