ENVIEONMENT OF THE TITANOTHEEES 



93 



U 



DQ 



CD 



< 

 h 

 Z 



100 



300' 

 400' 



Dolichorhinus 

 fluminalis 



Dolichorhinus y- 

 cornufus, type ' 



Sfhienodectes 

 incisivus, iype 



Dolichorhinus 

 heterodon 



Dolichorhinus 

 hyognafhus 

 (cornulus) 



Sfhenodectes 

 incisivus 



R had in orhinus 

 diploconus 



Dolichorhinus 

 longiceps, type 



Dolichorhinus I =-,^^-==2:=". 



T Diplcuxtdort 



Amynodon skel-.ATn.Mus. N9J933 



26"ATrvynocLoTh sandstoTve^j^ArrvyTzodon, irvtermediics 

 ProtelotheriuTTh idntense 



; Eobasileus- 



400 



super/or, type 

 Melarhinus 



n'parius, lype 



Melarhinus 



earlei 



Telmalolherium 



D olich orhinus 

 longiceps 



Rhadinorhinus 

 abbotti 



Melarhinus 

 fluvialilis, lype 



Sphenocoelus 

 uinlensis, lype 



Melarhinus 

 cristalus, lype 



(?Dolichorhinus 

 longiceps) 



Melarhinus 

 ripar/us 



1: 



I EobasileiLS 

 < StyLLnodorv 

 I ProtylopzLS 



sWidstone^^ Harpccg'olestes 

 Eobasileits iiznte.nsis, type 

 FieldMus. 12170 



iEobcLsiLeiis 



Triplopics 



MesoTvyx obtusidens 



Crocodilus 

 ? TriplopiLS 



i< 



500 



NO MAMMALS RECORDED 



Figure 65. — Section of the Eobasileus-Dolichorhinus and Melarhinus zones in tlie Uinta Basin, Utah, show- 

 ing stratigraphic distribution of species of titanotheres 



The species of titanotheres are shown in the left-hand column, the geologic strata in the middle column, other characteristic mammals in the 

 right-hand column. After observations made by Peterson, Douglass, Eiggs, and Osborn. 



