| Meaning | oldest known reptiles; turtles and extinct Permian forms. | |
|---|---|---|
| Synonym | subclass Anapsida | |
| 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 | Chelonia, order Chelonia, Testudinata, order Testudinata, Testudines, order Testudines | tortoises and turtles |
| anapsid, anapsid reptile | Primitive reptile having no opening in the temporal region of the skull | |
| Broader | class | (biology) a taxonomic group containing one or more orders |
| Catalan | Anapsida, Anàpsid, anápsidos | |
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