| NOUN | animal | Synapsida, subclass Synapsida | extinct reptiles of the Permian to Jurassic considered ancestral to mammals |
|---|
| Meaning | Extinct reptiles of the Permian to Jurassic considered ancestral to mammals. | |
|---|---|---|
| Synonym | subclass Synapsida | |
| 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 |
| Members | Ictodosauria, order Ictodosauria | Extinct reptiles of the later Triassic period |
| 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 |
| Catalan | Synapsida | |
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