Prosomyleus (subgenus of Myleus) Géry [J.] 1972:182 Masc. Myletes rhomboidalis Cuvier 1818. Type by original designation (also monotypic). •Synonym of Myleus Müller & Troschel 1844, but a valid subgenus as described -- (Géry 1972:182 [ref. 1594]). •Synonym of Myleus Müller & Troschel 1844 -- (Géry 1976:49 [ref. 14199], Géry 1977:266 [ref. 1597], Taphorn 1992:278 [ref. 23654], Jégu in Reis et al. 2003:185 [ref. 27061]). •Synonym of Myloplus Gill 1896 by placement of type species. •Valid as Prosomyleus Géry 1972 -- (Kolmann et al. 2020:11 [ref. 37721]). Current status: Valid as Prosomyleus Géry 1972. Serrasalmidae: Myleinae.