melampus, Gasterochisma Richardson [J.] 1845:346 [Annals and Magazine of Natural History (New Series) v. 15 (no. 99) (art. 52); ref. 3741] Port Nicholson, New Zealand. Holotype: BMNH 1855.9.19.158. •Valid as Gasterochisma melampus Richardson 1845 -- (Collette & Nauen 1983:37 [ref. 5375], Collette 1986:833 [ref. 5647], Pequeño 1989:67 [ref. 14125], Paulin et al. 1989:229 [ref. 24556], Nakamura in Amaoka et al. 1990:311 [ref. 16024], Gomon et al. 1994:821 [ref. 22532], Ito et al. 1994:482 [ref. 22341], Chirichigno F. & Vélez D. 1998:393 [ref. 24555], Johnson 1999:751 [ref. 25471], Collette et al. 2001:2 [ref. 25629], Hutchins 2001:45 [ref. 25847], Collette 2003:4 [ref. 27312], Menezes in Menezes et al. 2003:102 [ref. 27192], Mundy 2005:505 [ref. 28379], Bray et al. 2006:1771 [ref. 29091], Gomon 2008:784 [ref. 30616], Duffy & Ahyong 2015:118 [ref. 36167], Roberts 2015:1630 [ref. 34193], Nión et al. 2016:53 [ref. 35565], Rotundo et al. 2015:294 [ref. 36921], Collette & Graves 2019:63 [ref. 37341], Collette 2022:276 [ref. 40167], Carvalho-Filho 2023:248 [ref. 40480]). Current status: Valid as Gasterochisma melampus Richardson 1845. Scombridae: Gasterochismatinae. Distribution: Circumglobal in Southern Ocean temperate waters, mostly between 30° and 50°S; in Western Atlantic north to São Paulo (Brazil); waifs in northern Pacific. Habitat: marine.