A new study found that the primitive relatives of Tyrannosaurus rex had bulldog-like snouts and shorter arms. The research offers new insights about the end of the dinosaur period in Africa based on ...
Researchers identify a fossil unearthed in New Mexico as an older, more primitive relative of T. rex
Researchers have identified a new subspecies of tyrannosaur thought to be an older and more primitive relative of the Tyrannosaurus rex.A team of paleontologists and biologists from several ...
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