atlanticus, Melamphaes Norman [J. R.] 1929:165 [Annals and Magazine of Natural History (Series 10) v. 4 (no. 20) (art. 14); ref. 15914] South Atlantic, 33°54'S, 16°04'E, depth 850-950 meters. Holotype: BMNH 1930.1.12.1010. Paratypes: BMNH 1930.1.12.1011-1014 (4). Type catalog: Gon et al. 2023:477 [ref. 40678]. •Synonym of Poromitra crassiceps (Günther 1878) -- (Maul 1973:345 [ref. 7171], Maul 1990:616 [ref. 17237], Gon 1990:219 [ref. 21680], Shinohara et al. 1996:173 [ref. 26605], Kotlyar 2004:5 [ref. 27590]). •Valid as Poromitra atlantica (Norman 1929) -- (Kotlyar 2009:563 [ref. 30590], Kotlyar 2010:243 [ref. 30796], Stewart & Bray 2015:984 [ref. 34276], Sutton et al. 2020:244 [ref. 37832], Gon et al. 2023:477 [ref. 40678]). Current status: Valid as Poromitra atlantica (Norman 1929). Melamphaidae. Distribution: Southeastern Atlantic. Habitat: marine.