The (Pleuronectiformes) - Order
(Psettodoidei) - suborder
Spiny Turbots
(Psettodidae)
- family
(Pleuronectoidei) - suborder
Southern Flounders
(Achiropsettidae)
- family
Lefteye Flounders
(Bothidae)
- family

(Citharidae)
- family
Large-Tooth Flounders
(Paralichthyidae)
- family
Righteye Flounders
(Pleuronectidae)
- family
Crested Flounders
(Samaridae)
- family
Turbots
(Scophthalmidae)
- family
(Soleoidei) - suborder
American Soles
(Achiridae)
- family
Tonguefishes
(Cynoglossidae)
- family
True Soles
(Soleidae)
- family