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a Cretaceous bivalve - reconstructed in life position Pterotrigonia (Trigonia) thoracica

a Cretaceous bivalve - reconstructed in life position
Pterotrigonia (Trigonia) thoracica
from the Coon Creek tongue of the Ripley Formation - Late Cretaceous, McNairy County, TN
gouache paint
the State Fossil of Tennessee
 





 

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