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Eons
When Sharks Swam the Great Plains
Season 2
Episode 5
If you’ve ever been to, or lived in, or even flown over the central swath of North America, then you’ve seen the remnants of what was a uniquely fascinating environment. Scientists call it the Western Interior Seaway, and at its greatest extent, it ran from the Caribbean Sea to the Canadian Arctic.
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10:11
History Of This Two-faced Creature And What It Can Teach Us About Mass Extinction.
11:27
This small change in our appearance has helped shape the evolution of our entire lineage.
7:53
It arose from rhino ancestors, but Paraceratherium took a different evolutionary path.
8:48
Aegirocassis may have been the biggest animal in the Early Ordovician.
6:46
What is it about the crab’s form that makes it so evolutionarily successful?
7:52
We’ve only started to get to the bottom of how clubs worked and how it developed.
