Stereospondyli
formerly a suborder of Stegocephalia; amphibia having vertebrae whose component elements are fused into a single piece - most vertebrates are stereospondylous • Syn: order Stereospondyli • Hypernyms: animal order • Member Holonyms: Labyrinthodontia, superorder Labyrinthodontia, Labyrinthodonta, superorder Labyrinthodonta
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