- Late Cretaceous,
Hell Creek Formation
- McCone County, South East of Glascow, Montana
- T. rex is known from just over twenty
incomplete fossilized skeletons, which were found in ancient
sediments 65 millions years old. It was a powerful, agile, bipedal
dinosaur, which reached lengths of forty feet, weighed more than
six tons and had a five foot long skull. Its enormous, muscular
legs would have put it thirteen feet tall, just at the hips.
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