Add Yahoo as a preferred source to see more of our stories on Google. The fossil skull of Kostensuchus atrox, a 70-million-year-old relative to modern-day crocodiles. It is thought to have been an ...
The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National Geographic Explorer Diego Pol. The fossil skull of Kostensuchus atrox, a ...
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