

O 







Typical 

 Wasatch- 

 Evanston 











it 



"Green River" 



Knight 



Coryphodon 

 Phenacodus 

 Eohippus 

 etc. 



CO 



o 



>> 



s 



< 



Big Horn 



Series, 



" Wasatch " 













" Lost Cabin " 



Lambdotherium 



Eotitanops 



Heptocion 



Coryphodon 



Eoiiippus 



" Lysite" 

 Coryphodon 

 Fohippus 

 Hyopsodus (large) 

 etc. 



'* Knight" 



Coryphodon 



Systemodon 



Eohippus 



Phenacodns 



Ralston 



Phenacodns 



Limnocyon 



F^sthonyx 



Coryphodon 



Bathyopsis 





Typical 



"Wind River" 



Series 













£ 



C is.i0 3 

 — C o. "3 Q- o: -a -^ 

 X O 3 o '^ CO O 



-J- o o.^ i^ ^ ~ 2 

 ^a:5£-s:sb5 



O ® O c5 O cS O-C 



Lysite 

 Coryphodon 

 Eohippus 

 Hyopsodus( large) 

 etc. 









n 

 >> 



To 



" White River" 



Titanotherium 



Cyiindrodon 



Titanotheriomys 



Oreodon 



" Uinta" 



Diplaeodon 



Amynodon 



Protoreodon 



("amelodon 



" Washakie" 



and 

 " Bridger" 

 (Barren) 



?" Wind River" 



Coryphodon 

 Phenacodus 

 Eoiiippus 







Typical 



Bridger 



Formation 









Uintatherium 



Manteoceras 



Mesatirliinus 



C D E 



Orohippus 

 Paiaeosyops 



B 



< 











Typical 

 Washakie 

 Formation 







Eobasileus 



Dolichorhinus 



Met:irhinus 



Uintatherium 

 Manteoceras 









. 







Typical 



Uinta 



Formation 





Diplaeodon 



Protitanotlierinm 



C 



Eobasilens 

 Dolichorhinus 

 Metarhinus 

 B 



Relatively 



barren 

 A 















> 

 ® 



Oreodon B 

 Titanotherium A 





















7. 



o» a> 



— e 

 ►J o 



s: 



£ 



03 



o 



s 



Protitanotheriiim 



and 



Diplaeodon 



Eobasilens 



and 



Dolichorhinus 



Uintatherium 



and 

 Manteoceras 





Bathyopsis 



Eotitanops 



Lambdotherium 



o: 



3 



O 

 03 



a 

 o 

 >. 



Coryphodon 



and 

 Systemodon 



3) 



3 



c 

 c 

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c 





(244) 



