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This is an actual cast and reconstruction showing Tyrannosaurus rex tooth progression. It provides a fascinating look inside the tooth regeneration process of the most fierce predator North America has ever hosted. The exterior of the right dentary is intact, while the interior provides an open window to the innermost actions taking place. The Theropod dinosaurs regrew their teeth as the old ones became too worn or broke off. The blood vessels and soft tissues would have transported the raw materials necessary for healthy teeth and bone as these massive giants continually regenerated their fearsome smile and devastating bite. Note the fine serrations of the edges of the teeth.
Age: Late Cretaceous - Maastrichtian ~ 65 MYA
Locality: Hell Creek Formation, Harding County, South Dakota
Comes with a metal display stand.
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