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1.2" Serrated Tyrannosaur Tooth - Judith River Formation
This is a serrated, 1.2" 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.
There is some chipping of the serrations about half an inch from the proximal end of the tooth. The tip has also undergone some minor chipping, possibly as a result of feeding.
There is some chipping of the serrations about half an inch from the proximal end of the tooth. The tip has also undergone some minor chipping, possibly as a result of feeding.
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
Morphometry of the teeth of western North American tyrannosaurids and its applicability to quantitative classification
SPECIES
Albertosaurus, Gorgosaurus or Daspletosaurus
LOCATION
Hill County, Montana
FORMATION
Judith River Formation
SIZE
1.2" tooth
CATEGORY
SUB CATEGORY
ITEM
#150772
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