Megalocottus Gill [T. N.] 1861:166 Masc. Cottus platycephalus Pallas 1814. Type by monotypy. •Valid as Megalocottus Gill 1861 -- (Neelov 1979:115, 129 [ref. 3152], Washington et al. 1984:443 [ref. 13660], Lindberg & Krasyukova 1987:215 [ref. 15964], Sideleva 1998:152 [ref. 23595], Mecklenburg et al. 2002:401 [ref. 25968], Parin et al. 2002:S79 [ref. 28300], Bogutskaya & Naseka 2004:189 [ref. 28183], Parin et al. 2014:257 [ref. 33547], Mecklenburg et al. 2016:72 [ref. 34440], Dyldin & Orlov 2017:64 [ref. 35138], Balakirev et al. 2020:11 [ref. 37873], Radchenko et al. 2021:[9] [ref. 38826]). Current status: Valid as Megalocottus Gill 1861. Psychrolutidae.