Northeast Montana has once again produced an unusual fossil find — a new ancestor of the formidable Tyrannosaurus rex. Daspletosaurus wilsoni — Wilson’s frightful reptile — is believed to link two ...
The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T. rex ...
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