acanthias, Monoceratias Gilbert [C. H.] 1915:379, Pl. 22 (fig. 24) [Proceedings of the United States National Museum v. 48 (no. 2075); ref. 1632] Off Santa Cruz Island, California, U.S.A., Albatross station 4428, depth 764-891 fathoms. Holotype (unique): USNM 75825. Males unknown. •Valid as Oneirodes acanthias (Gilbert 1915) -- (Orr 1991:1030 [ref. 16565], Mecklenburg et al. 2002:308 [ref. 25968], Love et al. 2005:60 [ref. 37547], Mundy 2005:272 [ref. 28379], Pietsch 2009:410 [ref. 30766], Love et al. 2021:89 [ref. 39279], Page et al. 2023:166 [ref. 40505]). Current status: Valid as Oneirodes acanthias (Gilbert 1915). Oneirodidae. Distribution: Northeastern Pacific: Oregon (U.S.A.) south to Pacific coast of southern Baja California Sur (Mexico), and perhaps to Hawaiian Islands (U.S.A.). Habitat: marine.