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Mussle Shell Steinkern
Images:
By I_gotta_rock
Taxonomy
Mussel
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalva
Order: Ostreidae
Family: Pinnidae
Genus: Atrina
Species: Atrina harrisii
Author Citation Dall, 1898
Geological Time Scale
Eon: Phanerozoic
Era: Cenozoic
Period: Neogene
Sub Period: None
Epoch: Miocene
Stratigraphy
Choptank Formation
Provenance
Collector: me
Date Collected: 07/03/2017
Acquired by: Field Collection
Dimensions
Width: 5 cm
Height: 9 cm
Location
St Leonard
Calvert County
Maryland
United States
- calvert cliffs
- cast
- chesapeake bay
- choptank
- fossil
- maryland
- matoaka
- mioecen
- mold
- mussel
- saint
- shell
- st leonard
Comments
This is a particularly fragile type of shell, made of many fine layers, and is prone to disintegrate as these did. This rare steinkern was found on a block of matrix submerged in the Chesapeake Bay. Dimensions are for the best-exposed steinkern on the block. The entire block is 14 cm wide x 10 cm high x 5 cm deep.
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