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Keyword: helicoprion

Brevity: Headers | « Text »
  • Mystery Of The 25-Foot Ancient Spiral-Toothed Shark Solved?

    02/28/2013 3:53:40 PM PST · by Renfield · 10 replies
    Red Orbit ^ | 2-27-2012 | Brett Smith
    Imagine a 25-foot-long shark, but instead of having a typical set of jaws, it packs a chainsaw-like ‘tongue’ full of razor-sharp teeth ready to slash through prey with ease.While it sounds like something straight out of a Killer B Movie, it is anything but.A group of American researchers has described just such a creature that lived about 270 million years ago based on the animal’s fossilized spiral set of teeth.According to their report in the journal Biology Letters, the research team used CT scans and computer modeling to recreate the ancient predator, which once inhabited the waters around modern-day Idaho.Known...
  • Toothy Spiral Jaw Gave Ancient Sea Predator an Edge

    02/28/2013 11:45:33 AM PST · by EveningStar · 57 replies
    LiveScience ^ | February 27, 2013 | Stephanie Pappas
    An ancient sea predator had a spiraling whorl of teeth that acted as a lethal slicing tool, according to new scans of a mysterious fossil. Helicoprion was a bizarre creature that went extinct some 225 million years ago.