Found 2 items, similar to Thecodontia.
English → English (WordNet) Definition: Thecodontia Thecodontia n : extinct terrestrial reptiles having teeth set in sockets; of the late Permian to Triassic [syn: order Thecodontia]
English → English (gcide) Definition: Thecodontia Thecodontia \The`co*don"ti*a\, n. pl. [NL.] (Paleon.) A group of fossil saurians having biconcave vertebr[ae] and the teeth implanted in sockets. [1913 Webster]