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  • Moon Snail




    Moon Snail

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Gastropoda
    Order: Littorinimorpha
    Family: Naticidae
    Genus: Euspira
    Species: Euspira heros
    Author Citation (Say, 1822)

    Geological Time Scale

    Eon: Phanerozoic
    Era: Cenozoic
    Period: Neogene
    Epoch: Miocene


    Choptank Formation
    Drum Cliff Member


    Shattuck Zone 17


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


    St Leonard
    Calvert County
    United States


    This piece was excavated out of a block of matrix deposited in the Chesapeake Bay by a landslide. The shell was partially exposed in the water. The dark side was still in the matrix while the light side was exposed to the water. The pock marks on the light side are from modern barnacles which I removed during preparation.


    L. heros is a species with variation in shape. It may have a taller or flatter spire and the overall shape may be more or less globular.


    This specimen was donated to the Delaware Museum of Natural History.

    User Feedback

    It's my understanding that the name Lunatia heros has been replaced by Euspira heros

    Here's a link to L. heros on the WoRMS (World Register of Marine Species) site. 

    Nice fossil!

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