subclass Anapsida
oldest known reptiles; turtles and extinct Permian forms • Syn: Anapsida • Hypernyms: class • Member Holonyms: Reptilia, class Reptilia • Member Meronyms: anapsid, anapsid reptile, Chelonia, order Chelonia, Testudinata, order Testudinata, Testudines, order Testudines
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