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  • Isurus retroflexus

    Images:

    Miocene_Mason

    By Miocene_Mason (edited)

    Taxonomy

    Longfin Mako

    Kingdom: Animalia
    Phylum: Chordata
    Class: Chondrichthyes
    Order: Lamniformes
    Family: Lamnidae
    Genus: Isurus
    Species: Isurus retroflexus
    Author Citation (Agassiz, 1843)

    Geological Time Scale

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

    Stratigraphy

    Chesapeake Group
    Calvert Formation

    Provenance

    Collector: Mason Hintermeister
    Date Collected: 06/13/2020
    Acquired by: Field Collection

    Location

    Calvert Cliffs
    Calvert County
    Maryland
    United States

    Comments

    Found between Plum Point and Parker’s Creek. It is an upper anterior. Isurus retroflexus may be conspecific with Isurus paucus. Not found in situ.

    Go to fossils Sharks & Rays

    User Feedback


    Miocene_Mason

    Miocene_Mason

    Posted

    10 hours ago, hokietech96 said:

    Great tooth!

    Thanks! Was pretty much the best tooth of that particular day, slim pickin’s

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