Judith River Formation Bone
The Judith River Formation is an ancient ecosystem preserved in North America that dates about 79-75 million years old. Home to some incredible animals, some notable dinosaur species found in this formation include the tyrannosaurs Daspletosaurus and Gorgosaurus, the horned herbivore Styracosaurus, the duck billed Maiasaura, and the raptor-like Troodon.
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