More than 3 million years ago, the famous early human ancestor Lucy and her relatives shared the landscape of East Africa with a formidable predator. Hidden in rivers and lakes, a massive crocodile with a distinctive hump on its snout likely posed one of the greatest dangers to these ancient hominins.
Now, a University of Iowa-led team has identified that reptile as a previously unknown species. In a study published in the Journal of Systematic Palaeontolo...

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