imperator, Mastigopterus Smith [H. M.] & Radcliffe [L.] in Radcliffe 1913:159, Pl. 12 (fig. 1) [Proceedings of the United States National Museum v. 44 (no. 1948); ref. 3579] Between Leyte and Mindanao, 9°06'30"N, 125°00'20"E, Philippines, Albatross station 5495, depth 976 fathoms. Holotype: USNM 74142. •Valid as Mastigopterus imperator Smith & Radcliffe 1913 -- (Nielsen & Cohen in Nielsen et al. 1999:75 [ref. 24448], Nielsen 1999:1981 [ref. 24753], Machida et al. 2002:195 [ref. 26156]). Current status: Valid as Mastigopterus imperator Smith & Radcliffe 1913. Ophidiidae: Neobythitinae. Distribution: Western Pacific. Habitat: marine.