Scientists found the skeleton of an extinct hypercarnivore in Argentina’s southern Patagonia. The apex predator feasted on dinosaurs, they propose.
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Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater floodplains of southern Patagonia. Measuring up to 11.5 feet (3.5 meters) long and weighi... [5791 chars]