Tooth serves as evidence of 220 million-year-old attack
Knoxville TN (SPX) Sep 30, 2014 - At the beginning of the age of dinosaurs, gigantic reptiles-distant relatives of modern crocodiles-ruled the earth. Some lived on land and others in water and it was thought they didn't much interact. But a tooth found by a University of Tennessee, Knoxville, researcher in the thigh of one of these ancient animals is challenging this belief. Stephanie Drumheller, an earth and planetary sci ... more
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