Mixonus Günther [A.] 1887:108 Masc. Bathynectes laticeps Günther 1878. Type by monotypy. •Valid as Mixonus Günther 1887 -- (Nielsen 1973:551 [ref. 6885] but with Bathynectes as a synonym [Bathyonus, a replacement for Bathynectes, has priority over Mixonus]). •Synonym of Bathyonus Goode & Bean 1885 -- (Cohen & Nielsen 1978:27 [ref. 881], Nielsen & Cohen in Nielsen et al. 1999:49 [ref. 24448], Castellanos-Galindo et al. 2006:205 [ref. 28944]). Current status: Synonym of Bathyonus Goode & Bean 1885. Ophidiidae: Neobythitinae.