Species that contain: Myoxocephalus and scorpioides [ 3 ] records

axillaris, Boreocottus Gill [T. N.] 1859:166 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 11; ref. 1760] Awatska Bay, Kamchatka, Russia, Bering Strait. Holotype (unique): ?USNM 24027 (poor condition). •Synonym of Myoxocephalus scorpioides (Fabricius 1780) -- (Neelov 1973:599 [ref. 7219], Neelov 1979:122 [ref. 3152], Sheiko & Fedorov 2000:28 [ref. 25650], Mecklenburg et al. 2002:479 [ref. 25968], Parin et al. 2002:S82 [ref. 28300], Parin et al. 2014:264 [ref. 33547], Mecklenburg et al. 2016:83 [ref. 34440]). Current status: Synonym of Myoxocephalus scorpioides (Fabricius 1780). Psychrolutidae: Myoxocephalinae. Habitat: brackish, marine.

pachypus, Cottus Günther [A.] 1860:161 [Catalogue of the fishes in the British Museum v. 2; ref. 1963] Port Leopold [Qikiqtaaluk, Somerset Island, Nunavut, Canada]. Syntypes: (2) BMNH 1855.9.19.48 (1), 1855.9.19.761 (1). •Synonym of Myoxocephalus scorpioides (Fabricius 1780) -- (Jordan Evermann 1898:1973 [ref. 2444]). Current status: Synonym of Myoxocephalus scorpioides (Fabricius 1780). Psychrolutidae: Myoxocephalinae. Habitat: brackish, marine.

scorpioides, Cottus Fabricius [O.] 1780:157 [Fauna groenlandica, systematice sistens animalia Groenlandiae occidentalis, etc.; ref. 17464] Western Greenland. No types known. •Possibly valid as Megalocottus scorpioides (Fabricius 1780) -- (Balakirev et al. 2020:11 [ref. 37873]). •Valid as Myoxocephalus scorpioides (Fabricius 1780) -- (Neelov 1973:599 [ref. 7219], Neelov 1979:122 [ref. 3152], Fedorov in Whitehead et al. 1986:1254 [ref. 13677], Robins & Ray 1986:283 [ref. 23100], Scott & Scott 1988:505 [ref. 25518], McAllister 1990:200 [ref. 14674], Yabe in Okamura et al. 1995:165 [ref. 22531], Sheiko & Fedorov 2000:28 [ref. 25650], Mecklenburg et al. 2002:479 [ref. 25968], Parin et al. 2002:S82 [ref. 28300], Nelson et al. 2004:121 [ref. 27807], Love et al. 2005:90 [ref. 37547], Møller et al. 2010:52 [ref. 31169], Mecklenburg et al. 2011:123 [ref. 31212], Page et al. 2013:124 [ref. 32708], Parin et al. 2014:264 [ref. 33547], Mecklenburg & Steinke 2015:164 [ref. 34033], Afonso et al. 2016:49, 228 [ref. 36199], Kells et al. 2016:184 [ref. 35888], Mecklenburg et al. 2016:82 [ref. 34440], Mecklenburg et al. 2018:219 [ref. 36370], Love et al. 2021:123 [ref. 39279]). Current status: Valid as Myoxocephalus scorpioides (Fabricius 1780). Psychrolutidae: Myoxocephalinae. Distribution: Arctic Ocean, northwestern Atlantic and North Pacific: eastern Siberian and Chukchi seas to northern Bering Sea, Beaufort Sea to Greenland and Gulf of St. Lawrence. Habitat: brackish, marine.