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  • Pennsylvanian Shark Tooth

    Images:

    BobWill

    By BobWill

    Taxonomy

    Kingdom: Animalia
    Phylum: Chordata
    Class: Chondrichthyes
    Order: Petalodontidae
    Family: Pristodontidae
    Genus: Peripristis
    Species: Peripristis semicircularis
    Author Citation Newberry and Worthen 1866

    Geological Time Scale

    Eon: Phanerozoic
    Era: Paleozoic
    Period: Carboniferous
    Sub Period: Pennsylvanian
    Epoch: Late

    Stratigraphy

    Cisco Group
    Graham Formation
    Finis Shale Member

    Provenance

    Collector: Bob Williams
    Date Collected: 11/24/2012
    Acquired by: Field Collection

    Dimensions

    Length: 30 mm

    Location

    Lost Creek Spillway
    Jack County
    Texas
    United States

    Comments

    Photo featured in "Marine Shark" section of Color Guide to Pennsylvanian Fossils of North Texas by Mark McKinzie and John McLeod. Labial face. Missing root and extreme tip on right end of photo.

     

    EDIT: Pennsylvanian is Subperiod, Late is Epoch.

    Go to fossils Sharks & Rays

    User Feedback


    TNCollector

    TNCollector

    Posted

    Spectacular specimen!

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    Fossildude19

    Fossildude19

    Posted

    This is quite lovely! :) 

    Thanks for showing this. 

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    sixgill pete

    sixgill pete

    Posted

    Gorgeous! What a great example of a rarely seen ancient shark. Did I say it was gorgeous!!

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