concinnum, Stelgistrum Andriashev [A. P.] 1935:292, Fig. 1 [Zoologischer Anzeiger v. 111 (nos 11/12); ref. 13868] Cape Olutorsky, Bering Sea, depth 32 meters. Holotype: ZIN 24934. Paratypes: ZIN 21456 (2). •Valid as Stelgistrum concinnum Andriashev 1935 -- (Mecklenburg et al. 2002:448 [ref. 25968], Parin et al. 2002:S86 [ref. 28300], Nelson et al. 2004:121 [ref. 27807], Love et al. 2005:92 [ref. 37547], Page et al. 2013:125 [ref. 32708], Parin et al. 2014:272 [ref. 33547], Love et al. 2021:126 [ref. 39279], Page et al. 2023:187 [ref. 40505]). Current status: Valid as Stelgistrum concinnum Andriashev 1935. Psychrolutidae. Distribution: North Pacific: southern Bering Sea and Aleutian Islands (U.S.A.). Habitat: marine.