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    I_gotta_rock

    Taxonomy

    Oyster

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Bivalva
    Order: Ostreida
    Family: Gryphaeidae
    Genus: Hyotissa
    Species: Hyotissa inermis
    Author Citation G.B. Sowerby, 1871

    Geological Time Scale

    Eon: Phanerozoic
    Era: Cenozoic
    Period: Neogene
    Sub Period: None
    Epoch: Miocene

    Stratigraphy

    Choptank Formation
    Drum Cliff Member

    Biostratigraphy

    Shattuck Zone 17

    Provenance

    Collector: Heather Siple
    Date Collected: 07/03/2017
    Acquired by: Field Collection

    Dimensions

    Length: 35 mm
    Width: 30 mm
    Height: 12 mm

    Location

    St Leonard
    Calvert County
    Maryland
    United States

    Comments

    I never knew if the oyster shells on the beach were fossil or modern until I pulled this out of a block of matrix deposited by landslide into the Chesapeake Bay. This specimen was donated to the Delaware Museum of Natural History.

     

    Genus changed from Parahyotissa.




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