opisthopus, Exocoetus Bleeker [P.] 1865:121 [Nederlandsch Tijdschrift voor de Dierkunde v. 3; ref. 418] Makassar, Sulawesi, Indonesia. Holotype (unique): ?BMNH 1866.5.2.32. •Valid as Cypselurus opisthopus (Bleeker 1865) -- (Parin 1996:302 [ref. 23179], Parin 1999:2175 [ref. 24786], Parin in Randall & Lim 2000:600 [ref. 25122], Fricke et al. 2014:38 [ref. 33932], Fricke et al. 2019:77 [ref. 36673], Jayakumar et al. 2019:700 [ref. 37111], Psomadakis et al. 2020:344 [ref. 37272]). Current status: Valid as Cypselurus opisthopus (Bleeker 1865). Exocoetidae. Distribution: Indo-West Pacific: southern India east to Philippines and New Ireland (Papua New Guinea), north to Ryukyu Islands, south to Solomon Islands. Habitat: marine.