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5.4" Fossil Hadrosaur Cervical Vertebra Process - Montana
This is a 5.4" wide hadrosaur (Hypacrosaurus sp.?) cervical vertebra transverse process with intact prezygapophysis, collected from the Two Medicine Formation of Montana. It was collected this last summer and has been nicely prepared from the hard rock surrounding it. The prezygapophysis would have articulated with the postzygapophysis of the adjacent cervical vertebra. Half of the neural canal is present on this bone.
Comes with an acrylic display stand to assist with presentation.
There are repaired cracks through this bone.
Comes with an acrylic display stand to assist with presentation.
There are repaired cracks through this bone.
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
Hypacrosaurus sp.?
LOCATION
Pondera County, Montana
FORMATION
Two Medicine Formation
SIZE
Bone: 5.4" wide
CATEGORY
SUB CATEGORY
ITEM
#265985
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