leptonema, Rhynchactis Regan [C. T.] 1925:566 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] Western central Atlantic, 8°19'N, 44°35'W, depth about 1500 meters [3000 meters of wire out]. Holotype (unique): ZMUC P92133. Type catalog: Nielsen 1974:98 [ref. 9588]. Males unknown. •Valid as Rhynchactis leptonema Regan 1925 -- (Bertelsen et al. 1981:66 [ref. 5330], Bertelsen 1990:515 [ref. 15724], Bertelsen & Pietsch 1998:587 [ref. 23417], Pietsch 1999:2036 [ref. 24766], Pietsch 2003:1068 [ref. 27014], Mundy 2005:275 [ref. 28379], Pietsch 2009:475 [ref. 30766]). Current status: Valid as Rhynchactis leptonema Regan 1925. Gigantactinidae. Distribution: Western central Atlantic; Hawaiian Islands; off Taiwan. Habitat: marine.