SUBORDER E AMBLYPODA 



Geological Distribution of the Ungulata. 



225 



Families. 



a 



o 



o 



c 



§ 



c 



o 



o 



t3 



o 



O 



c 

 o 



o 



c 



1 



2 



o 



i 







o 



1 



c 



o 

 o 



1 





Suborder. Condylarthra. 



1. Mioclaeiiidae . 



2. Periptychidae . 



3. Phenacodontidae 



4. Meuiscotheriidae 



5. Pleuraspidotheriidae 



Suborder. Litopterna. 



1. Bunolitopternidae . 



2. Macraucheniidae 



3. Proterotheriidae 



4. Adiantidae 



Suborder. Perissodactyla. 



1. Tapiridae 



2. Rhinoceridae . 



3. Equidae .... 



4. Titanotheriidae 



5. Chalicotheriidae 



Suborder. Artiodactyla. 



1. Snidae .... 



2. Elotheriidae . 



3. Leptochoeridae 



4. Hippopotamidae 



5. Anthracotheriidae . 



6. Anoplotheriidae 



7. Dichobunidae . 



8. Xiphodontidae 



9. Caenotlieriidae 



10. Oreodontidae . 



11. Camelidae 



13. Tragulidae 



14. Hypertragulidae 



15. Cervicornia 



16. Autilocapridae 



17. Cavicornia 



Suborder. Amblypoda. 



1. Pantolambdidae 



2. Coryphodontidae 



3. Dinoceratidae . 



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VOL. Ill 



