A fossil of two dinosaurs locked in battle shows the smaller of the pair wasn’t a young T. rex but a full-grown predator of ...
A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.
Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.
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