thecodont | (n) presumably in the common ancestral line to dinosaurs and crocodiles and birds, Syn. thecodont reptile |
thecodontia | (n) extinct terrestrial reptiles having teeth set in sockets; of the late Permian to Triassic, Syn. order Thecodontia |
Thecodont | a. [ Gr. &unr_; a case + &unr_;, &unr_;, a tooth. ] |
Thecodont | n. (Paleon.) One of the Thecodontia. [ 1913 Webster ] |
Thecodontia | ‖n. pl. [ NL. ] (Paleon.) A group of fossil saurians having biconcave vertebrae and the teeth implanted in sockets. [ 1913 Webster ] |
糟齿类爬虫 | [糟 齿 类 爬 虫 / 糟 齒 類 爬 蟲] thecodontia (primitive dinosaur) [Add to Longdo] |