Dysodonta

例句：

1. 1.The dysodontid is a type of mammal with a long snout and short legs.
   齿兽是一种有长鼻子和短腿的哺乳动物。
2. 2.The discovery of the dysodontid fossils has shed new light on the evolution of mammals.
   发现齿兽化石为哺乳动物的进化提供了新的见解。
3. 3.The dysodontids are found in various parts of the world, including Africa, Asia, and Europe.
   齿兽科分布在世界各地，包括非洲、亚洲和欧洲。