Fossil reveals pre-historic sea monster

US scientists study fossil of 240-million-year-old sea reptile, dubbed the T-Rex of the Sea.

    Scientists in the US are studying the fossil of a more than 240-million-year-old sea reptile, dubbed the T-Rex of the Sea. 

    It had pronged teeth with knife-like edges that allowed it to eat animals its own size.

    The species has been named Jim, after the scientist who discovered it completely by chance.

    Al Jazeera's John Hendren explains.

    SOURCE: Al Jazeera


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