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Calvert Formation

Geologic formation in the United States From Wikipedia, the free encyclopedia

Calvert Formation
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The Calvert Formation is a geologic formation in Maryland, Virginia, and Delaware. It preserves fossils dating back to the early to middle Miocene epoch of the Neogene period. It is one of the three formations which make up the Calvert Cliffs, all of which are part of the Chesapeake Group.

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Fossils

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Carcharocles megalodon partially buried in gravel along the Calvert Cliffs, Maryland
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Fossils from the Calvert Formation, Zone 10, Calvert Co., MD (Miocene)

The Calvert Formation is extremely fossiliferous. Some of the fossil species represented include the following:[1][2]

Sharks

Rays and other cartilaginous fish

Bony fish

Cetaceans

Pinnipeds

Crocodilians

Invertebrates

Terrestrial mammals


Birds

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References

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