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Scientists sliced open ancient poop and discovered a story of coevolution

By Mindy Weisberger, CNN (CNN) — Ancient reptilian carnivores that resembled modern crocodiles were fearsome hunters, but their scaly armor and sharp teeth couldn’t protect them from parasites, scientists have discovered. Paleontologists recently unearthed rare evidence of parasitic infection in a reptile that lived around 252 million to 201 million years ago during the Triassic

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