The 67 million-year-old fossils were found in Hell Creek Formation in Montana. Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...
Paleontologist Peter Makovicky is seen at the excavation site in Argentina's northern Patagonia region where fossils of the Cretaceous Period meat-eating dinosaur Meraxes gigas, Akiko Shinya via ...
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