longicauda, Gigantactis Bertelsen [E.] & Pietsch [T. W.] 2002:958, Figs. 1-2 [Copeia 2002 (no. 4); ref. 26506] Western North Atlantic, 23°46'N, 58°59'W, depth 500-1200 to 0 meters. Holotype (unique): ISH 5539-1979. Males unknown. •Valid as Gigantactis longicauda Bertelsen & Pietsch 2002 -- (Pietsch 2009:471 [ref. 30766]). Current status: Valid as Gigantactis longicauda Bertelsen & Pietsch 2002. Gigantactinidae. Distribution: Western North Atlantic (1 specimen). Habitat: marine.