Heterognathus Girard [C. F.] 1855:198 Masc. Atherina humboldtiana Valenciennes 1835. Type by subsequent designation. Earliest type designation found that of Jordan & Evermann 1896:792 [ref. 2443]. •Synonym of Chirostoma Swainson 1839 -- (Dyer in Reis et al. 2003:518 [ref. 27061]). Current status: Synonym of Chirostoma Swainson 1839. Atherinopsidae: Menidiinae.