- Heterosomata, order Heterosomata, order Pleuronectiformes - flatfishes: halibut; sole; flounder; plaice; turbot; tonguefishes
--1 is a kind of animal order
--1 is a member of Acanthopterygii, superorder Acanthopterygii
--1 has members:flatfish; Pleuronectidae, family Pleuronectidae; Bothidae, family Bothidae; Cynoglossidae, family Cynoglossidae; Soleidae, family Soleidae