one) 
rors) 
LYMN/EIDA OF NORTH AMERICA. 





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o 
2) 
6 
£ 
n 
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SG —1 
ft Middle Miocene 
isi@ Lower Eocene Piower Pliocens 
@ Oligocene 
~ 
2 
& 
Geological Distribution 
AMERICAN FOSSIL LYMNZAS 
BMiddle Eocene gUpper Eocene 

weComanchean 
Fic. 8. 
Map showing distribution of American Fossil Lymnzas. 
