Ancient Tooth Reveals Reptilian Predator Attack Millions of Years Ago

September 29, 2014 3:51 PM

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About 210 million years ago, the supercontinent of Pangea was just starting to break up. At the time, dog-sized dinosaurs hid from the predators at the top of the food chain: reptilian predators called phytosaurs and rauisuchids. Now, scientists have found that these predators may have interacted with each other far more often than previously thought.

Researchers once believed that the two top predators didn't interact much with at all since one kept to the water while the other was land-based. Yet new fossil evidence is now changing that particular outlook.

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