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Calvert Formation Bed 10, Calvert Cliffs, Maryland, USA     38.61 N 76.51 E       Langhian, Middle Miocene
Florilus grateloupi
Florilus grateloupi
Globigerina sp.
Lagena sp.
Florilus grateloupi, Calvert Cliffs, USA
Florilus grateloupi, Calvert Cliffs, USA
Globigerina sp., Calvert Cliffs, USA
Lagena sp., Calvert Cliffs, USA
Spiroplectinella cf. mississippiensis
Spiroplectinella sp.
Textularia sp.
Spiroplectinella cf. mississippiensis, Calvert Cliffs, USA
Spiroplectinella sp., Calvert Cliffs, USA
Textularia sp., Calvert Cliffs, USA
Valvulineria floridana
Valvulineria floridana
Valvulineria floridana
Valvulineria floridana
Valvulineria floridana, Calvert Cliffs, USA
Valvulineria floridana, Calvert Cliffs, USA
Valvulineria floridana, Calvert Cliffs, USA
Valvulineria floridana, Calvert Cliffs, USA