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  • Tylosaur Tooth


    Images:

    ThePhysicist
    • Identification:

      Mosasaur teeth can be difficult to assign to a species. However, given the size of the tooth, it must be from T. proriger - the only Mosasaur in the formation large enough to produce this tooth.

       

      Notes:

      Shows feeding wear (pictured) with mostly complete enamel. Uncommon find for this formation.

       

      Identifiers:

      This identification is supported by Michael J. Polcyn (researcher specializing in the evolution of Mosasaurs) of Southern Methodist University, Dallas, TX, USA.

    Taxonomy

    Tylosaurus

    Kingdom: Animalia
    Phylum: Chordata
    Class: Reptilia
    Order: Squamata
    Family: Mosasauridae
    Genus: Tylosaurus
    Species: Tylosaurus proriger
    Author Citation Edward Cope, 1869

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Cretaceous
    Epoch: Late

    Stratigraphy

    Ozan Formation

    Provenance

    Collector: N. Pearson
    Date Collected: 10/07/2018
    Acquired by: Field Collection

    Dimensions

    Width: 2.5cm
    Height: 4.6cm

    Location

    Ladonia Fossil Park, North Sulphur River
    Fannin County
    Texas
    United States

    Comments

    Identification:

    Mosasaur teeth can be difficult to assign to a species. However, given the size of the tooth, it must be from T. proriger - the only Mosasaur in the formation large enough to produce this tooth.

     

    Notes:

    Shows feeding wear (pictured) with mostly complete enamel. Uncommon find for this formation.

     

    Identifiers:

    This identification is supported by Michael J. Polcyn (researcher specializing in the evolution of Mosasaurs) of Southern Methodist University, Dallas, TX, USA.



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