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nounin former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibia
Similar:
type of:
Definition that contains stegocephalia
- stereospondyli formerly a suborder of Stegocephalia; amphibia having vertebrae whose component elements are fused into a single piece
- temnospondyli formerly a suborder of Stegocephalia; large Carboniferous and Permian amphibians having vertebrae in which some elements remain separate
- order stereospondyli formerly a suborder of Stegocephalia; amphibia having vertebrae whose component elements are fused into a single piece
- order temnospondyli formerly a suborder of Stegocephalia; large Carboniferous and Permian amphibians having vertebrae in which some elements remain separate