Ancient tissue found in 195 million-year-old dinosaur rib

By Ashley Strickland, CNN

Updated 1609 GMT (0009 HKT) February 3, 2017

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The fossil of 195-million-year-old dinosaur Lufengosaurus preserved as found in the ground in Yunnan Province, China. Researchers discovered ancient collagen and protein in one of its ribs.
Photos: China's dinosaur discoveries
The fossil of 195-million-year-old dinosaur Lufengosaurus preserved as found in the ground in Yunnan Province, China. Researchers discovered ancient collagen and protein in one of its ribs.
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An artist impression of the Limusaurus. The Ostrich-sized dinosaur was found in Xinjiang in China's far west. Researchers say it lost its teeth as it matured.
Photos: China's dinosaur discoveries
An artist impression of the Limusaurus. The Ostrich-sized dinosaur was found in Xinjiang in China's far west. Researchers say it lost its teeth as it matured.
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An artist's impression of the feathered Tongtianlong limosus or 'mud dragon' dinosaur.<a href="http://cnn.com/2016/11/11/world/dinosaur-china-dynamite-construction-workers/"> A paper on its discovery</a> was published in Nature Scientific Reports on November 10, 2016.
Photos: China's dinosaur discoveries
An artist's impression of the feathered Tongtianlong limosus or 'mud dragon' dinosaur. A paper on its discovery was published in Nature Scientific Reports on November 10, 2016.
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