81 



Incerlce sedis. 



Bramatherium Falc. and Cautl. 



SUPER-FAMILY? HELLADOTHEROIDEA. 

 XXXVI. HELLADOTHEEIIDAE. 



Extinct. 

 Ilelladotherium Gaudry. 



SUPER-FAMILY OREODONTOIDEA. 

 XXXVII. OREODONTIDAE. 



Extinct. 



A. Orbit complete behind. Lachrymal bone impressed by a well-marked 

 fossa. (Leidy.) 



OREODONTINAE. (A.) 



B Orbit incomplete behind. Lachrymal bone with no fossa. (Leidy.) 



AGRIOCHOERIDAE. (B.) 

 A. OREODONTINAE. 



Oreodon Leidy=Merycoidodon Leidy = C'oty lops Leidy. (Fide Leidy.) 

 Merycochoerus Leidy. 

 Merychyus Leidy. 

 Leptauchenia Leidy. 



B. AGRIOCHOERIDAE. 



Agriochoerus Leidy. = ? Eucrotaphus Leidy. 



SUPER-FAMILY ANOPLOTHERIOIDEA. 

 XXXVIII. ANOPLOTHERIIDAE. 



Extinct. 



Anoplotherium Cuv. 

 Eurytherium Gervais. 



XXXIX. DICHOBUNIDAE. 



Extinct. 



(Genera Jide Turner.) 



Caenotherium Bra.va.Td=Oplotheriitm Laiz. and de Par. 

 Dichodon Owen. 

 Dichobune Cuv. 

 Xiphodon Cuv. 



Anoplotheroidea? incertce sedis. 

 Tapinodon v. Meyer, 1846. 

 Choereomeryx Pouiel, 1S4S. 

 Aphelotherium Gervais. 

 February, 1872. 



