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  • Bryozoa Colony




    Bryozoa Colony

    Kingdom: Animalia
    Phylum: Bryozoa
    Class: Gymnolaemata
    Order: Cheilostomata
    Family: Celleporidae
    Genus: Palmicellaria
    Species: Palmicellaria convoluta
    Author Citation Ulrich and Bassler 1904

    Geological Time Scale

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


    Choptank Formation
    Drum Cliff Member


    Collector: me
    Date Collected: 07/03/2018
    Acquired by: Field Collection


    Length: 3 cm
    Width: 2.5 cm
    Height: 1.5 cm


    Matoaka Beach
    Calvert County
    United States


    I have found a few of these over the years, but it was only recently that I looked closely enough to see that they were not broken bits of the fossil barnacles clusters that litter the beach. The shape, color and texture are actually quite different from the barnacles at this location.

    This one was excavated from a chunk of landslide material that also contained index fossils of the Drum Cliff Member.

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