polyethmus, Cypselurus Fowler [H. W.] 1919:10, Fig. 3 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 71; ref. 1397] Atlantic. Holotype (unique): ANSP 7493. Type catalog: Böhlke 1984:102 [ref. 13621]. •Synonym of Hirundichthys rondeletii (Valenciennes 1847) -- (Parin 1973:266 [ref. 7191], Parin & Gibbs 1990:589 [ref. 16545]). •Synonym of Hirundichthys volador (Jordan 1884) -- (Parin & Belyanina 2002:S33 [ref. 28438]). Current status: Synonym of Hirundichthys volador (Jordan 1884). Exocoetidae. Habitat: marine.