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Definition of Thecodontia
1. Noun. Extinct terrestrial reptiles having teeth set in sockets; of the late Permian to Triassic.
Exact synonyms: Order Thecodontia
Generic synonyms: Animal Order
Group relationships: Archosauria, Subclass Archosauria
Member holonyms: Thecodont, Thecodont Reptile
Generic synonyms: Animal Order
Group relationships: Archosauria, Subclass Archosauria
Member holonyms: Thecodont, Thecodont Reptile
Definition of Thecodontia
1. n. pl. A group of fossil saurians having biconcave vertebræ and the teeth implanted in sockets.
Medical Definition of Thecodontia
1.