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  • Turret Shell


    Images:

    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

    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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