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The Strange Case of the Buzzsaw Jaws

There are many fossils that challenge our ability to form even the most basic idea of how a living thing looked, or lived, or functioned. One of the longest-running of these mysteries involved a 270-million-year-old sea creature called Helicoprion that once swam the seas around the supercontinent of Pangea.

English
  • Originally Aired September 11, 2017
  • Runtime 10 minutes
  • Content Rating United States of America TV-G
  • Network YouTube
  • Created February 16, 2018 by
    Administrator admin
  • Modified February 16, 2018 by
    Administrator admin