Serrated, 2.31" Tyrannosaur Tooth - Montana

This is a large, serrated, 2.31" Tyrannosaur tooth from the Two Medicine Formation (Judith River Group) of Montana. This formation is approximately 70 million years old, or about 5 million years old than the Hell Creek Formation which produces T-Rex.

This large tooth has good enamel preservation and almost no feeding wear to the tip. The serrations are a bit worn but are clearly visible on both edges of the tooth. There are two crack repairs with some minor gap fills in the middle of the tooth but no restoration otherwise.

There are three described Tyrannosaurs from the Two Medicine Formation (Judith River Group), Albertosaurus, Gorgosaurus and Daspletosaurus. Research done on teeth from these three Tyrannosaurs has concluded that isolated teeth are statistically impossible to assign to a specific genre because they are so similar. I've linked to the research paper below.

Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
Albertosaurus, Gorgosaurus or Daspletosaurus
North Central Montana
Two Medicine Formation, Judith River Group
2.31" long
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