81 
Incerte sedis. 
Bramatherium Falc. and Cautl. 
SUPER-FAMILY? HELLADOTHEROIDEA. 
XXXVI. HELLADOTHERIIDAE. 
Extinct. 
Helladotherium 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=Cotylops 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. ) 
Caenothertum Bravard=Oplotherium Laiz. and de Par. 
Dichodon Owen. 
Dichobune Cuv. 
XAiphodon Cuy. 
Anoplotheroidea? incerte sedis. 
Tapinodon v. Meyer, 1846. 
Choereomeryx Pomel, 1848, 
Aphelotherium Gervais. 
February, 1872, 
