Isopsetta Lockington [W. N.] in Jordan & Gilbert 1883:832 Fem. Lepidopsetta isolepis Lockington 1880. Type by original designation (also monotypic). •Synonym of Pleuronectes Linnaeus 1758, but a valid subgenus Isopsetta -- (Lindberg & Fedorov 1993:113, 115 [ref. 21500]). •Valid as Isopsetta Lockington 1883 -- (Norman 1934:326 [ref. 6893], Ahlstrom et al. 1984:643 [ref. 13641], Rass 1996:570 [ref. 24656], Cooper & Chapleau 1998:709 [ref. 26711], Mecklenburg et al. 2002:821 [ref. 25968], Evseenko 2004:7 [ref. 27606], Pietsch & Orr 2015:69 [ref. 34694], Vinnikov et al. 2018:160 [ref. 35844]). Current status: Valid as Isopsetta Lockington 1883. Pleuronectidae: Pleuronectinae.