angusticeps, Cypselurus Nichols [J. T.] & Breder [C. M., Jr.] 1935:2, Fig. 2 [American Museum Novitates No. 821; ref. 13296] Negonego Island, Tuamotu Archipelago [French Polynesia, South Pacific]. Holotype: AMNH 12984. Paratypes: AMNH 13295 (3). •Valid as Cypselurus angusticeps Nichols & Breder 1935 -- (Yoshino in Masuda et al. 1984:80 [ref. 6441], Abe 1994:1278 [ref. 23438], Parin in Fischer et al. 1995:1099 [ref. 22829], Parin 1996:302 [ref. 23179], De La Cruz Agüero et al. 1997:138 [ref. 24545], Parin 1999:2173 [ref. 24786], Nakabo 2000:560 [ref. 25086], Parin in Randall & Lim 2000:600 [ref. 25122], Hutchins 2001:24 [ref. 25847], Nakabo 2002:560 [ref. 26001], Myers & Donaldson 2003:615 [ref. 27495], Nelson et al. 2004:100 [ref. 27807], Mundy 2005:287 [ref. 28379], Fricke et al. 2011:370 [ref. 31242], Page et al. 2013:101 [ref. 32708], Fourriére et al. 2016:456 [ref. 34668], Del Moral-Flores et al. 2016:607 [ref. 34923], Jayakumar et al. 2019:703 [ref. 37111], Love et al. 2021:93 [ref. 39279], Grove et al. 2022:20 [ref. 41326], Shakhovskoy & Collette 2022:347 [ref. 39717], Page et al. 2023:150 [ref. 40505], Shakhovskoy & Parin 2024:81 [ref. 41246]). Current status: Valid as Cypselurus angusticeps Nichols & Breder 1935. Exocoetidae. Distribution: Indo-Pacific: East Africa east to Hawaiian Islands (U.S.A.), north to southern Japan, south to Western Australia, New Caledonia and Austral Islands (French Polynesia); eastern Pacific: separate population [subspecies folletti] at Revillagigedo Archipelago (Mexico) and Galapagos Islands (Ecuador). Habitat: marine.