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    Shark fossil found in Arkansas shows evolution of jaws

    Shark fossil found in Arkansas shows evolution of jaws

    http://www.thv11.com/video/3483675953001/1/Shark-fossil-found-in-Arkansas-shows-evolution-of-jaws http://bcdownload.gannett.edgesuite.net/kthv/34300056001/201404/1922/34300056001_3483688465001_th-5351b9f4e4b0137d7f0d4fbb-1592194023001.jpg?pubId=34300056001 Shark fossil found in Arkansas shows evolution of jaws Shark fossil found in Arkansas shows evolution of jaws 02:08

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