cypselurus, Prognurus Jordan [D. S.] & Gilbert [C. H.] in Jordan & Evermann 1898:2866 [Bulletin of the United States National Museum No. 47; ref. 2445] Off Bogoslof Island, Bering Sea, 54°51'00"N, 167°27'00"W, Albatross station 3634 [not 3644], depth 664 fathoms. Holotype: USNM 48232. Additional material: (1, mutilated). Also appeared in Jordan & Gilbert 1899:478, Pl. 77 [ref. 2478]. •Valid as Careproctus cypselurus (Jordan & Gilbert 1898) -- (Stein 1978:16 [ref. 4203], Lindberg & Krasyukova 1987:442 [ref. 15964], Kido in Amaoka et al. 1983:161, 216, 295, 342 [ref. 8379], Kido in Masuda et al. 1984:339 [ref. 6441], Kido 1988:213 [ref. 12287], Pitruk 1990:36 [ref. 20303], Shinohara et al. 1996:178 [ref. 26605], Nakabo 2000:674 [ref. 25086], Sheiko & Fedorov 2000:31 [ref. 25650], Mecklenburg et al. 2002:615 [ref. 25968], Nakabo 2002:674 [ref. 26001], Parin et al. 2002:S111 [ref. 28300], Fedorov et al. 2003:97 [ref. 27579], Chernova et al. 2004:7 [ref. 27592], Love et al. 2005:102 [ref. 37547], Sakurai & Shinohara 2008:43 [ref. 29570], Knudsen & Møller 2008:179 [ref. 29611], Parin et al. 2014:318 [ref. 33547], Gerringer et al. 2017:173 [ref. 35688], Kai & Matsuzaki 2019:5 [ref. 37267], Orr et al. 2019:22 [ref. 38839], Orr et al. 2020:723 [ref. 37949], Chernova et al. 2021:488 [ref. 38585], Love et al. 2021:136 [ref. 39279], Dyldin & Orlov 2022:210 [ref. 39115], Page et al. 2023:190 [ref. 40505]). Current status: Valid as Careproctus cypselurus (Jordan & Gilbert 1898). Liparidae. Distribution: North Pacific: Okhotsk Sea, northern Honshu to Kuril Islands, and southeastern Kamchatka, Bering Sea, British Columbia and Washington, U.S.A. Habitat: marine.