sexfilis, Gigantactis Regan [C. T.] & Trewavas [E.] 1932:94, Pl. 5 (fig. 2); Fig. 150 [Dana Report No. 2; ref. 3682] Atlantic, 13°07'N, 57°20'W, Dana station 1181, depth about 2000 meters (4000 meters wire out). Holotype (unique): ZMUC P92132. Type catalog: Nielsen 1974:98 [ref. 9588]. •Synonym of Gigantactis gracilicauda Regan 1925 -- (Bertelsen et al. 1981:38 [ref. 5330], Bertelsen 1990:513 [ref. 15724], Pietsch 2009:462 [ref. 30766]). Current status: Synonym of Gigantactis gracilicauda Regan 1925. Gigantactinidae. Habitat: marine.