"This site has probably more than doubled the known number of individual turtles from the Jurassic," said University of Tübingen turtle expert Walter Joyce. "Some of the shells were stacked up on top of one another in the rock." Joyce added that this pile-up is called a bone bed.
Scientists say they've uncovered a pile of 1,800 Jurassic turtle skeletons in China that had been swept into a mass grave millions of years ago.
The fossilized mesa chelonia turtles were found in China’s northwest province of Xinjiang in what paleontologists call a "bone bed" with some of the shells stacked up on top of each other in the rock.
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