Around a year ago, a Canyonlands park ranger stumbled across the fossil and reported it to the park. Then, scientists from the Natural History Museum of Utah, Petrified Forest National Park and the University of Southern California teamed up to dig into this discovery. They filed for a research permit and excavated the fossil last month, reports CNN.
“This is cool, because it’s 50 million years older than the oldest dinosaur fossil,” Marsh tells the Deseret. “So it’s kind of cool that it’s from a period in Earth’s history where we just don’t have a lot of fossils from in North America especially.”
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