conocephala, Holtbyrnia Sazonov [Yu. I.] 1976:18 [Trudy Instituta Okeanologii Imeni P.P. Shirshova v. 104; ref. 8553] Western Pacific, 7°49'S, 120°10"E, depth 0-1500 meters over 4700 meters. Holotype: ZIN 42627. Paratypes: (1). Also in Sazonov 1976:68 [ref. 19553]. •Synonym of Holtbyrnia innesi (Fowler 1934) -- (Sazonov et al. 1993:46 [ref. 21498], Sheiko & Fedorov 2000:18 [ref. 25650], Mecklenburg et al. 2002:164 [ref. 25968]). •Valid as Holtbyrnia conocephala Sazonov 1976 -- (Matsui & Rosenblatt 1987:61 [ref. 10670], Sazonov 1999:1895 [ref. 24740], Carter & Hartel 2003:880 [ref. 27000]). Current status: Valid as Holtbyrnia conocephala Sazonov 1976. Platytroctidae. Distribution: Western Pacific. Habitat: marine.