longicirra, Gigantactis Waterman [T. H.] 1939:82, Figs. 1-2 [Bulletin of the Museum of Comparative Zoology v. 85 (no. 3); ref. 17229] Western North Atlantic, 39°06'N, 70°16'W, Atlantis station 2894, closing net at 1000 meters, bottom depth 2860 meters. Holotype (unique): MCZ 35065. •Valid as Gigantactis longicirra Waterman 1939 -- (Bertelsen et al. 1981:26 [ref. 5330], Scott & Scott 1988:249 [ref. 25518], McAllister 1990:230 [ref. 14674], Bertelsen 1990:514 [ref. 15724], Pietsch 1999:2036 [ref. 24766], Pietsch 2003:1068 [ref. 27014], Moore et al. 2003:216 [ref. 27076], Pietsch 2009:457 [ref. 30766], Pietsch 2016:2074 [ref. 34597], Carneiro et al. 2019:220 [ref. 37250], Kenchington et al. 2020:[12] [ref. 37729], Mincarone et al. 2021:24 [ref. 38381], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis longicirra Waterman 1939. Gigantactinidae. Distribution: Atlantic; eastern Pacific. Habitat: marine.