longipterus, Xenolumpenus Shinohara [G.] & Yabe [M.] 2009:396, Figs. 1-2, 4-6 [Ichthyological Research v. 56 (no. 4); ref. 30546] Sea of Japan off Okushiri Island, Hokkaido, Japan, 41°52.44'N, 139°33.55'E, depth 167-208 meters. Holotype: NSMT-P 69644. Paratypes: HUMZ 162792 (1). •Valid as Xenolumpenus longipterus Shinohara & Yabe 2009 -- (Shinohara et al. 2011:53 [ref. 31715], Shinohara et al. 2014:269 [ref. 33330], Dyldin & Orlov 2021:852 [ref. 38925]). Current status: Valid as Xenolumpenus longipterus Shinohara & Yabe 2009. Lumpenidae. Distribution: Northwestern Pacific: Sea of Japan, off Hokkaido (Japan). Habitat: marine.