macronema, Gigantactis Regan [C. T.] 1925:565 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] Central North Atlantic, 31°47'N, 41°41'W, Dana station 1365, depth about 2500 meters, 5000 meters wire out. Holotype (unique): ZMUC P92130. Type catalog: Nielsen 1974:98 [ref. 9588]. Males unknown. •Valid as Gigantactis macronema Regan 1925 -- (Bertelsen et al. 1981:50 [ref. 5330], Fujii in Uyeno et al. 1983:264 [ref. 14275], Anderson & Leslie 2001:24 [ref. 26165], Bertelsen & Pietsch 2002:961 [ref. 26506], Pietsch 2003:1068 [ref. 27014], Love et al. 2005:62 [ref. 37547], Mundy 2005:274 [ref. 28379], Pietsch 2009:468 [ref. 30766], Love et al. 2021:90 [ref. 39279], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis macronema Regan 1925. Gigantactinidae. Distribution: Atlantic; North Pacific Ocean: Hawaiian Islands (U.S.A.); eastern Pacific: central California (U.S.A.) south to Pacific coast of Baja California (Mexico). Habitat: marine.