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China science, technology news summary -- June 10

Scientists confirm new dinosaur species found in Xinjiang

Scientists confirm new dinosaur species found in Xinjiang Xinhua 09 Jun 2021, 23:30 GMT+10 BEIJING, June 9 (Xinhua) The discovery of 114 dinosaur footprint fossils, found in rocks in northwest China s Xinjiang Uygur Autonomous Region, has been confirmed by scientists as traces left by pterosaurs 135 million years ago. The dinosaur footprint site, only covering an area of 0.3 square meters, is located in the Wuerhe region in the Junggar Basin, where scientists from the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences have discovered 57 manus tracks and 57 pes tracks since 2006, indicating the trackmakers were quadrupedal. After studying the main features, like digit lengths, scientists identified the tracks were different from those left by 15 other known pterosaur species. Therefore, they proposed a new species as Pteraichnus wuerhoensis isp. nov., dating back to the Early Cretaceous period.

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