Early T. Rex ancestor found in South America

WASHINGTON (AP) -- Back at the dawn of the dinosaur era, a quick-moving predator set the stage for the famous and fearsome giants that followed in its footsteps, according to new research. "It was a little dinosaur, but it carried a big evolutionary stick," said Paul C. Sereno of the University of Chicago, a leader of the team that discovered Eodromaeus....

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