macrothrix, Rhynchactis Bertelsen [E.] & Pietsch [T. W.] 1998:587, Figs. 2-4 [Copeia 1998 (no. 3); ref. 23417] Central Atlantic, 7°55'N, 32°41'W, depth 0-2000 meters, bottom depth 4840 meters. Holotype: ISH 605-1974. Paratypes: BMNH 2004.7.9.17 (1), IOAN uncat. (1). Males unknown. •Valid as Rhynchactis macrothrix Bertelsen & Pietsch 1998 -- (Pietsch 2003:1068 [ref. 27014], Pietsch 2009:476 [ref. 30766], Pietsch 2016:2074 [ref. 34597], Fricke et al. 2018:92 [ref. 35805], Ho & Shao 2019:16 [ref. 37146], Fermon et al. 2022:305 [ref. 39448] with question). Current status: Valid as Rhynchactis macrothrix Bertelsen & Pietsch 1998. Gigantactinidae. Distribution: Atlantic; southwestern Indian Ocean; northwestern Pacific. Habitat: marine.