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    Title : HYBODONT SHARK: Prelims Specific Topic

    Date : Feb 07, 2022

    Description :
    • In a rare discovery recently, teeth of new species of hybodont shark of the Jurassic age have been reported for the first time from Jaisalmer by a team of the Geological Survey of India (GSI).
    • Hybodonts, an extinct group of sharks, was a dominant group of fishes in both marine and fluvial environments during the Triassic and early Jurassic time.
    • They became extinct at the end of the Cretaceous time 65 million years ago.


    • Source à Down To Earth

    Tags : bio diversity

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