Serrated, 1.41" Tyrannosaur Tooth - Judith River Formation

This is a serrated, 1.41" long, Tyrannosaur tooth, from the Judith River Formation of Montana. This formation is approximately 75 million years old, or about 9 million years older than the Hell Creek Formation which also produces T. rex.

This is the bottom half of what would have been a very large tooth. The tooth has excellent enamel, serrations and tip. There is a section on the side which broke free and was repaired.


Three species of tyrannosaur have been described from the Two Medicine & Judith River Formations: 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 genus because they are so similar.

Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification


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DETAILS
SPECIES
Albertosaurus, Gorgosaurus or Daspletosaurus
LOCATION
Hill County, Montana
FORMATION
Judith River Formation
SIZE
1.41" tooth
CATEGORY
SUB CATEGORY
ITEM
#144833
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