thecodont

詳細解釋：

the.co.dont

n.（名詞）
Any of various extinct primitive archosaurs of the order Thecodontia of the late Permian and Triassic periods, having teeth in sockets and probably ancestral to the dinosaurs.
槽齒類：二迭紀和三迭紀晚期槽齒目幾種已滅絕的原始初龍，牙槽中有牙齒並且可能是恐龍的祖先

來源：
New Latin Thôcodontia [order name]
New Latin Thôcodontia [order name]
Greek thôkô [chest, sheath] * see dhô-
Greek thôkô [chest, sheath] *參見 dhô-
Greek -odôn -odont- [-odont]
Greek -odôn -odont- [-odont]