Choptank Formation
Stratigraphic range: Miocene
Chesapecten nefrens, Choptank Formation
TypeFormation
Unit ofChesapeake Group
UnderliesSt. Marys Formation
OverliesCalvert Formation
Location
RegionVirginia, Maryland
CountryUnited States
Type section
Named forChoptank River

The Choptank Formation is a geologic formation in Virginia and Maryland. It preserves fossils dating from the Miocene epoch of the Neogene period.

Fossils

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

Sharks

Rays and Other Cartilaginous Fish

Fish

Cetaceans

Pinnipeds

Crocodilians

Invertebrates

[3]

Terrestrial Mammals

See also

References

  1. ^ Godfrey, Stephen J., ed. (2018-09-25). "The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland, USA". Smithsonian Contributions to Paleobiology (100): 2–274. doi:10.5479/si.1943-6688.100. ISSN 1943-6688.
  2. ^ "Paleobiology Collections Search". collections.nmnh.si.edu. Retrieved 2020-08-14.
  3. ^ "Collections". The Fossil Forum. Retrieved 2020-08-14.


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