the raw material is contributed by Dr. Stephen J. Godfrey and John Nance from the
Calvert Marine Museum

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Calvert Cliffs
USA, East Coast
Miocene   Neogene

Bolivina
calvertensis

Bolivina
sp.
Bulimina
elongata

Bulimina
elongata

Elphidium
sp.
Florilus
chesapeakensis

Globigerina
sp.
 
 
 
 
 
 
 
Nonionella
grateloupi

Nonionella
miocenica

Nonionoides
grateloupii

Nonionoides
grateloupii

Nonionoides
grateloupii

Spiroplectinella
sp.
Valvulineria
floridana