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Hunting Down an Ancient 'Buzzsaw Killer': The Helicoprion

Key Facts In This Video

  1. Many helicoprion lived in the Phosphoria Sea, which covered what is now southeastern Idaho. 00:21

  2. See a 3D-printed model of the helicoprion's jaws and tooth whorl: 01:18

  3. Little wear has been found on fossilized helicoprion teeth, suggesting that they ate boneless prey such as squid. 01:50

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