bifilis, Mancalias Regan [C. T.] & Trewavas [E.] 1932:100, Pl. 6 (fig. 1); Fig. 158c [Dana Report No. 2; ref. 3682] East of New Zealand, 46°43'S, 176°09'E, station 3642, depth about 1500 meters (3000 meters of wire out). Holotype (unique): ZMUC P92123. Type catalog: Nielsen 1974:97 [ref. 9588]. Regarded as a unique holotype; second specimen questionably included. •Synonym of Ceratias tentaculatus (Norman 1930) -- (Pietsch 1986:482 [ref. 5969], Pietsch 1990:211 [ref. 21691], Gomon et al. 1994:304 [ref. 22532], Anderson & Leslie 2001:20 [ref. 26165], Pietsch 2009:327 [ref. 30766]). Current status: Synonym of Ceratias tentaculatus (Norman 1930). Ceratiidae. Habitat: marine.