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230 million-year-old dinosaur is oldest ever discovered in North America — and changes what we know about how they conquered Earth
A 230 million-year-old, never-before-seen raptor unearthed in the U.S. is the ... The mini dino, which was about the size of a chicken, was likely a distant ancestor of the largest creatures ...
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Massive dinosaur tracks indicate existence of largest-ever raptor
The unique footprints left by giant raptor When paleontologists stumbled ... “Most carnivorous dinosaurs leave footprints that look like big chicken scratch,” said Scott Persons, assistant ...