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This Armored Ancestor Of Modern Crocodiles Roamed Earth Over 200 Million Years Ago

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An artist's interpretation of the newly identified aetosaur Garzapelta muelleri (Credit: Márcio L. Castro)

Researchers from the University of Texas (UT) Austin recently announced the discovery of a new aetosaur species. These prehistoric relatives of modern crocodiles, which ruled the world before dinosaurs, came in many shapes and sizes. The heavily armored creatures went extinct around 200 million years ago. However, their fossils can still be found on every continent except Antarctica and Australia.