槽齿类 cáochǐlèi thecodont Definitions Defs Origin Strokes Stroke Words Sentences Sents 槽齿类 槽齒類 cáochǐlèi thecodont thecodont; a group of reptiles from the Permian and Triassic periods characterized by teeth set in sockets
槽齿类 槽齒類 cáochǐlèi thecodont thecodont; a group of reptiles from the Permian and Triassic periods characterized by teeth set in sockets
