praetor, Mastigopterus Smith [H. M.] & Radcliffe [L.] in Radcliffe 1913:160, Pl. 12 (fig. 2) [Proceedings of the United States National Museum v. 44 (no. 1948); ref. 3579] Patiente Strait, 0°28'30"S, 127°45'00"E, Philippines, Albatross station 5628, depth 1291 fathoms. Holotype (unique): USNM 74143 (not found in 1980). •Valid as Mastigopterus praetor Smith & Radcliffe 1913 -- (Nielsen & Cohen in Nielsen et al. 1999:75 [ref. 24448], Nielsen 1999:1981 [ref. 24753]). •Synonym of Mastigopterus imperator Smith & Radcliffe 1913 -- (Machida et al. 2002:195 [ref. 26156]). Current status: Synonym of Mastigopterus imperator Smith & Radcliffe 1913. Ophidiidae: Neobythitinae. Habitat: marine.