Choptank Formation, Bed 19 upper part, Calvert Cliffs, Maryland, USA 38.61 N 76.51 E Serravallian, Middle Miocene This bed is characterized by corroded and recrystallized tests. As a result a The classification is tends to be difficult or impossible. Nonetheless it was chosen to show the findings.
Bolivina sp.
Epistominella pontoni
Epistominella pontoni
Epistominella pontoni
Textularia sp.
Other characteristic microfossils found in this bed:
Key to Genera Lectures
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