cyclocephalus, Careproctus Kido [K.] 1983:375, Fig. 2 [Japanese Journal of Ichthyology v. 29 (no. 4); ref. 8324] Off Abashiri, Okhotsk coast of Hokkaido, Japan, 44°27'N, 144°26.5'E, depth 930-950 meters. Holotype: HUMZ 77754. Paratypes: HUMZ 70923 (1), 71077 (1), 75926 (1), 77586 (1), 77590-92 (3), 77609 (1), 77644 (1), 77687 (1), 77805 (1), 77936-39 (4), 77941-46 (6), 77948-49 (1, 1), 78647 (1), 78754-57 (4), 92713 (1); NSMT-P 21484-85 (1, 1). •Valid as Careproctus cyclocephalus Kido 1983 -- (Kido in Amaoka et al. 1983:299, 345 [ref. 8379], Kido in Masuda et al. 1984:339 [ref. 6441], Kido 1988:215 [ref. 12287], Pitruk 1990:36 [ref. 20303], Nakabo 2000:672 [ref. 25086], Sheiko & Fedorov 2000:31 [ref. 25650], Nakabo 2002:672 [ref. 26001], Parin et al. 2002:S111 [ref. 28300], Fedorov et al. 2003:97 [ref. 27579], Chernova et al. 2004:7 [ref. 27592], Marchi et al. 2012:33 [ref. 32025], Parin et al. 2014:317 [ref. 33547], Tohkairin et al. 2015:9 [ref. 35331], Orr et al. 2019:22 [ref. 38839], Dyldin & Orlov 2022:210 [ref. 39115]). Current status: Valid as Careproctus cyclocephalus Kido 1983. Liparidae. Distribution: Northwestern Pacific: southern Okhotsk Sea endemic (Russia, Japan). Habitat: marine.