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1.97" Tyrannosaur Tooth in Sandstone - Two Medicine Formation
This is a 1.97" long Tyrannosaur tooth collected this summer from the Two Medicine Formation of Montana. The tooth has been partially exposed from the rock it was found in, and is in excellent condition. The enamel preservation bears dark brown-black coloration and the serrations are worn, but are visible along the distal edge.
The only repair/restoration to this specimen is along the basal end where a piece of the tooth broke off during collection. It required some glue stabilization and small spots of gap fill that are best located using shortwave UV.
It comes with an acrylic display stand.
The only repair/restoration to this specimen is along the basal end where a piece of the tooth broke off during collection. It required some glue stabilization and small spots of gap fill that are best located using shortwave UV.
It comes with an acrylic display stand.
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
About The Two Medicine Formation
The Two Medicine Formation is a geographical formation in Central Montana and Southern Alberta, Canada. The formation is predominantly sandstone laid down by rivers and deltas during the Campanian Age of the Cretaceous, about 80-75 million years ago. Approximately two thousand feet thick on the western edge, it lies on top of the Virgelle Sandstone formation and under the Bearpaw Shale. It is located between the Front Range of the Rocky Mountains and the Sweetgrass Arch, a tectonic fold feature 40-90 miles east of the Front Range.
The Two Medicine is the same age as the Judith River Formation found further east. It was laid down further inland from the Western Interior Seaway, while the Judith River Formation was deposited along the coast. The Two Medicine contains much of the same dinosaur fauna, but fewer reptiles, amphibians, and aquatic fossils.
A view of the Two Medicine Formation quarry operated by Northwest Montana Fossils, where much of our Two Medicine dinosaur material has been found.
The Two Medicine Formation is a geographical formation in Central Montana and Southern Alberta, Canada. The formation is predominantly sandstone laid down by rivers and deltas during the Campanian Age of the Cretaceous, about 80-75 million years ago. Approximately two thousand feet thick on the western edge, it lies on top of the Virgelle Sandstone formation and under the Bearpaw Shale. It is located between the Front Range of the Rocky Mountains and the Sweetgrass Arch, a tectonic fold feature 40-90 miles east of the Front Range.
The Two Medicine is the same age as the Judith River Formation found further east. It was laid down further inland from the Western Interior Seaway, while the Judith River Formation was deposited along the coast. The Two Medicine contains much of the same dinosaur fauna, but fewer reptiles, amphibians, and aquatic fossils.
A view of the Two Medicine Formation quarry operated by Northwest Montana Fossils, where much of our Two Medicine dinosaur material has been found.
SPECIES
Albertosaurus, Gorgosaurus or Daspletosaurus
LOCATION
Pondera County, Montana
FORMATION
Two Medicine Formation
SIZE
Tooth: 1.97" long (straightline), Rock: 4.7 x 4.2
CATEGORY
SUB CATEGORY
ITEM
#207717
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