rotundifrons, Careproctus Sakurai [H.] & Shinohara [G.] 2008:40, Figs. 2-3 [Bulletin of the National Museum of Nature and Science (Ser. A) Supplement No. 2; ref. 29570] Sagami Bay off Chigasaki, Kanagawa Prefecture, Honshu Island, 35°13.55'N, 139°22.35'E, Japan, depth 730-780 meters. Holotype: NSMT-P 76691. Paratypes: HUMZ 201215 (1), 201216 (1); NSMT-P 65560 (1), 76692-93 (2), 76695 (1), 76697 (1), 76698 (1), 76700 (1), 76702 (1), 76703-06 (4), 76707-11 (5, 1 c&s), 76712-13 (2), 76714-15 (2), 76716 (1, c&s), 76717-26 (10); USNM 392619 (1), 392620 (1). •Valid as Careproctus rotundifrons Sakurai & Shinohara 2008 -- (Kai et al. 2011:353 [ref. 31613], Marchi et al. 2012:33 [ref. 32025], Kai et al. 2018:[5] [ref. 35831], Murasaki et al. 2022:7 [ref. 39365]). Current status: Valid as Careproctus rotundifrons Sakurai & Shinohara 2008. Liparidae. Distribution: Continental slope off the Pacific coast of Fukushima Prefecture, Sagami Bay and Suruga Bay, Japan. Habitat: marine.