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0. SCHUCHERT PALEOGEOGRAPHY OF NORTH AMERICA 



The New Geologic Time Table 



Old classification 



Cambrian 



New classification 



Paleozoic. 



Mesozoic . 



Tertiary or Ce- 

 nozoic 



{Georgic 

 Acadic 

 Ozarkic or Cambric 



Ordovician or Lower fgXtic 



Silurian 



Siluric 

 Devonic 



(. Cincinnatic 



Siluric 

 Devonic 



Mississippian or f Mississippic 



Sub-Carboniferous \ Tennesseic 



Pennsylvanic- 

 ^ Permic 



f Triassic 

 j Jurassic 



Pennsylvanic- 

 Permic 



Cretaceous 



Eocene 

 Oligocene 



Miocene 

 Pliocene 

 Pleistocene 



f Comanchic 

 1 Cretacic 



V Eogenic 

 I N eogenic 



J> Paleozoic 



^Neopaleozoic 



Triassic-Jurassic ~] 



f-Mesozoic 



^Neozoic 



