'Thecodontia' definitions:
Definition of 'Thecodontia'
(from WordNet)
noun
Extinct terrestrial reptiles having teeth set in sockets; of the late Permian to Triassic [syn: Thecodontia, order Thecodontia]
Definition of 'Thecodontia'
From: GCIDE
- Thecodontia \The`co*don"ti*a\, n. pl. [NL.] (Paleon.) A group of fossil saurians having biconcave vertebrae and the teeth implanted in sockets. [1913 Webster]