An old relative of the T. rex sparks new questions about the dinosaur's origins
Researchers say they've identified the oldest known Tyrannosaurus, shaking up the ongoing debate over how and when the dinosaurs arrived in North America.
by Emma Bowman
Jan 15, 2024
2 minutes
Researchers say they have identified a new species of Tyrannosaurus that traces the dino's lineage to North America much earlier than previously thought, and could shed new light on the murky origins of the Tyrannosaurus rex.
, the newly named species, is the closest known relative, according to a paper recently
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