description About
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.
Info
- verified Status: Returning Series
- person By: Hank Green
- calendar_month Release Date: 2017-09-11
- video_camera_front Companies PBS Digital Studios
- tag Season: Season 1
- timer Episode Runtime: 10 Mins
- star Rating: 0 / 10
- visibilityViews: 2 views
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