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Turret Shell
Images:
By I_gotta_rock
Taxonomy
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: [unassigned] Caenogastropoda
Family: Turritellidae
Genus: Mariacolpus
Species: Mariacolpus octonaria
Author Citation Say
Geological Time Scale
Eon: Phanerozoic
Era: Cenozoic
Period: Neogene
Sub Period: None
Epoch: Miocene
Stratigraphy
Choptank Formation
Drum Cliff Member
Provenance
Collector: Heather Siple
Date Collected: 07/03/2017
Acquired by: Field Collection
Dimensions
Height: 23 mm
Diameter: 8 mm
Location
St Leonard
Calvert County
Maryland
United States
- saint
- st
- choptank
- matoaka
- chesapeake bay
- maryland
- calvert cliffs
- turitella
- miocene
- fossil
- leonard
- shell
Comments
I erroneously identified this earlier as the similar Turritella plebia, until looking at one more reference! Mariacolpus octonaria is an index fossil for the Drum Cliff Member of the Choptank Formation.
Donated to the Delaware Museum of Natural History
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