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Did T. rex leave these 66-million-year-old bite marks?
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Did T. rex leave these 66-million-year-old bite marks?
Fossilized dinosaur bones from Wyoming are offering a rare glimpse into the feeding behavior of Tyrannosaurus rex. Researchers examined more than 3,000 bones dating back 72 to 66 million years and found just 12 with possible tooth traces, including four with patterns that closely matched the shape and spacing of T. rex teeth.
·Encinitas, United States
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