crassiceps, Hephthocara Smith [H. M.] & Radcliffe [L.] in Radcliffe 1913:174, Pl. 17 (figs. 1-2) [Proceedings of the United States National Museum v. 44 (no. 1948); ref. 3579] Butung [Buton], 5°34'00"S, 122°18'15"E, Philippines, Albatross station 5647, depth 519 fathoms. Holotype: USNM 74154. Paratypes (?): BMNH 1939.4.1.1 [ex USNM] (1); USNM 99121-24 (1, 1, 1, 1), 99134-35 (4, 1), 99137 (2), 99139 (1), 99151 (1), 99165 (2), 99177 (3), 99209 (5, 2 c&s), 99210 (1), 99212 (1), 99214 (2), 99218-20 (8, 6, 2), 99232-34 (1, 5, 7). •Valid as Hephthocara crassiceps Smith & Radcliffe 1913 -- (Nielsen & Cohen in Nielsen et al. 1999:106 [ref. 24448], Nielsen 1999:1984 [ref. 24753], Møller et al. 2016:Appendix A [ref. 34432] in Bythitidae). Current status: Valid as Hephthocara crassiceps Smith & Radcliffe 1913. Bythitidae. Distribution: Western Pacific. Habitat: marine.