1.39" Tyrannosaur Tooth - Heavily Feeding Worn

This is a 1.39" Tyrannosaur tooth from the Judith River Formation 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.

The tooth is very heavily feeding worn with the front half of the tooth completely worn away. This doesn't appear to be damage that happened after the tooth was lost.

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
DETAILS
SPECIES
Albertosaurus, Gorgosaurus or Daspletosaurus
LOCATION
Hill County, Montana
FORMATION
Judith River Formation
SIZE
1.39" long
CATEGORY
SUB CATEGORY
ITEM
#71583
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