platycephalus, Gymnelus Chernova [N. V.] 1999:313, Figs. 8-9 [Voprosy Ikhtiologii v. 39 (no. 3); ref. 24868] Northern part of Bering Sea. Holotype: ZIN 51564. Paratypes: ZIN 34989 (3), 47798 (3). Plus non-type material. Type catalog: Balushkin et al. 2011:966 [ref. 32449], Balushkin et al. 2012:163 [ref. 33667]. Anderson in Anderson & Fedorov 2004:6 [ref. 27603] believes this is probably a synonym of G. viridis. •Valid as Gymnelus platycephalus Chernova 1999 -- (Chernova 2000:8 [ref. 24885], Sheiko & Fedorov 2000:35 [ref. 25650], Anderson & Fedorov 2004:6 [ref. 27603], Balushkin et al. 2011:966 [ref. 32449]). •Synonym of Gymnelus hemifasciatus Andriasahev 1937 -- (Mecklenburg et al. 2011:124, 128 [ref. 31212], Parin et al. 2014:392 [ref. 33547]). •Synonym of Gymnelus viridis (Fabricius 1780) -- (Mecklenburg & Anderson 2015:278 [ref. 33742]). Current status: Synonym of Gymnelus viridis (Fabricius 1780). Zoarcidae: Gymnelinae. Distribution: North Pacific and Arctic: Bering and Chukchi seas [if valid]. Habitat: marine.