flounder (esp. the large-tooth flounders of family Paralichthyidae, but also lefteye flounders of family Bothidae); bastard halibut; olive flounder (Paralichthys olivaceus)
sole (any fish of the families Cynoglossidae and Soleidae); red tonguesole (Cynoglossus joyneri)
halibut (esp. the Pacific halibut, Hippoglossus stenolepis)
red tonguesole (Cynoglossus joyneri)