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Fish fossil suggests early evolution of jaws

Fish fossil suggests early evolution of jaws By Tan Yingzi in Chongqing | chinadaily.com.cn | Updated: 2021-06-22 16:53 Share CLOSE A group of Chinese scientists recently reported finding a 423-million-year old fossil from the Silurian period in Chongqing, suggesting that the development of animal jaws may have begun earlier than previously thought. It is the second place to yield complete Silurian period fossils of fish with jaws, known as placoderms. The other is Qujing in Yunnan province. The working team included researchers from the Institute of Vertebrate Paleontology and Paleoanthropology, the Chinese Academy of Sciences and the Chongqing Institute of Geology and Mineral Resources. Their findings were published in the biweekly peer-reviewed scientific journal Current Biology on Friday. 

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