Cypselurus Swainson [W.] 1838:299 Masc. Exocoetus appendiculatus Wood 1825 (Cypselurus comatus (Mitchill 1815)). Type by monotypy. In 1838:299 as genus Cypsilurus and type by monotypy; then 1839:187 and 296 [ref. 4303] as Cypsilurus subgenus of Exocoetus. Spelled Cypsilurus 5 times (including index) by Swainson, but ICZN (Opinion 26) ruled that this was in error for Cypselurus. •Valid as Cypselurus Swainson 1838 -- (Parin 1960:208 [ref. 13299], Gibbs & Staiger 1970 [ref. 7741], Collette et al. 1984:338 [ref. 11422], Yoshino in Masuda et al. 1984:80 [ref. 6441], Heemstra & Parin 1986:393 [ref. 6293], Paxton et al. 1989:333 [ref. 12442], Dasilao & Sasaki 1998:348 [ref. 23623], Parin 1999:2165 [ref. 24786], Parin 2003:1119 [ref. 27018], Paxton et al. 2006:727 [ref. 29073], Shakhovskoy & Parin 2010:559 [ref. 31020], Parin & Bogorodsky 2011:658 [ref. 31581], Parin et al. 2014:194 [ref. 33547], Motomura et al. 2017:65 [ref. 35490], Fricke et al. 2018:103 [ref. 35805], Golani & Fricke 2018:41 [ref. 36273], Fricke et al. 2019:77 [ref. 36673], Shakhovskoy & Parin 2019:52 [ref. 36674], Shakhovskoy & Parin 2022:1 [ref. 39123]). Current status: Valid as Cypselurus Swainson 1838. Exocoetidae.