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  • Cretoxyrhina Tooth


    Images:

    ThePhysicist

    Taxonomy

    Ginsu Shark

    Kingdom: Animalia
    Phylum: Chordata
    Class: Chondrichthyes
    Order: Lamniformes
    Family: Cretoxyrhinidae
    Genus: Cretoxyrhina
    Species: Cretoxyrhina mantelli
    Author Citation Agassiz, 1835

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Cretaceous
    Sub Period: None
    Epoch: Late
    International Age: Late Coniacian

    Stratigraphy

    Niobrara Formation

    Provenance

    Acquired by: Purchase/Trade

    Dimensions

    Height: 1 1/16 "

    Location

    Smoky Hill Chalk
    Gove County
    Kansas
    United States

    Comments

    Identification: 

    ginsu teeth have broad lingual dental bands, rounded root lobes, a strong lingual protuberance in the roots of anterior teeth, smooth crown faces, and no nutrient groove. 

    Notes: 

    Has damage on the lingual side, perhaps a self-inflicted gash as the tooth fell out of the mouth. Otherwise, a perfect tooth with a very sharp point.

     

     



    User Feedback


    1 hour ago, sixgill pete said:

    Very nice rarely seen tooth.

    Thanks!

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