Meaning | Extinct reptiles of the Permian to Jurassic considered ancestral to mammals. |
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Synonym | Synapsida |
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Member of | Reptilia, class Reptilia | Class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates |
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Members | Ictodosauria, order Ictodosauria | Extinct reptiles of the later Triassic period |
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Pelycosauria, order Pelycosauria | edaphosaurus |
Therapsida, order Therapsida | Extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic |
Broader | class | (biology) a taxonomic group containing one or more orders |
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Catalan | Synapsida |
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