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  • Tyrannosaur tooth


    Images:

    ThePhysicist

    Taxonomy

    Tyrannosaur

    Kingdom: Animalia
    Phylum: Chordata
    Class: Reptilia
    Order: Avetheropoda
    Family: Tyrannosauridae
    Genus: Cf. Tyrannosaurus
    Species: Cf. Tyrannosaurus rex
    Author Citation Osborn, 1905

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Cretaceous
    Sub Period: None
    Epoch: Late

    Stratigraphy

    Hell Creek Formation

    Provenance

    Acquired by: Purchase/Trade

    Dimensions

    Width: 5 mm
    Height: 8 mm
    Thickness: 2 mm

    Location

    Wibaux County
    Montana
    United States

    Comments

    Identification

    Tyrannosaur teeth characteristically have similar serration densities on each carina, with chisel-shaped denticles. Though small, this tooth matches those qualities, and doesn't resemble other smaller theropods like Dromaeosaurids. Identified as Cf. T. rex based on its similarity to another, larger tooth in my collection.  

    Notes

    This tooth is from a juvenile individual. Serration densities illustrated in the above photos. There is a slight pathology (bend) near the tip.




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