![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/Platystrophia.jpg)
![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/Platystrophia.jpg)
PlatystrophiaCC BY-NC-ND 4.0
Platystrophia
![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/Thaerodonta.jpg)
![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/Thaerodonta.jpg)
ThaerodontaCC BY-NC-ND 4.0
Thaerodonta
![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/OU5819_Ext.jpg)
![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/OU5819_Ext-1024x921.jpg)
GlyptorthisCC BY-NC-ND 4.0
Glyptorthis
![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/Plaesiomys.jpg)
![](https://samnoblemuseum.ou.edu/wp-content/uploads/2017/08/Plaesiomys.jpg)
PlaesiomysCC BY-NC-ND 4.0