Flatheads (Platycephalidae) is a biological family of the class Actinopterygii (Ray-finned Fishes) and order Scorpaeniformes (Mail-cheeked Fishes).
Ambiserrula
Cociella
Cymbacephalus
Elates
Platycephalus
Grammoplites
Inegocia
Kumococius
Leviprora
Neoplatycephalus
Onigocia
Papilloculiceps
Ratabulus
Rogadius
Solitas
Sorsogona
Suggrundus
Sunagocia
Thysanophrys
Abyssocottidae
Agonidae
Pataecidae
Comephoridae
Bathylutichthyidae
Bembridae
Ereuniidae
Eschmeyeridae
Psychrolutidae
Scorpaenidae
Platycephalidae
Dactylopteridae
Hoplichthyidae
Hexagrammidae
Rhamphocottidae
Triglidae
Congiopodidae
Cyclopteridae
Normanichthyidae
Caracanthidae
Gnathanacanthidae
Anoplopomatidae
Cottidae
Hemitripteridae
Liparidae
Aploactinidae