Back to Show
Eons
When Giant Amphibians Reigned
Season 1
Episode 60
Temnospondyls were a huge group of amphibians that existed for 210 million years. And calling them ‘diverse’ would be putting it mildly. Yet in the end, two major threats would push them to extinction: the always-changing climate and the amniote egg.
Support Provided By

9:59
Discover the effects of the Toba supervolcano.

9:32
Pollination by insects actually got going twice.

6:46
The Toxodon fossils help reveal the mystery surrounding evolution.

10:53
The Story of How the Starfish Got its Arms Reminds us that Animals have Deep Histories.

11:01
Learn More about the Very Rare Medium-Sized Dinosaurs.

8:06
The very last mammoths that ever lived experienced what’s known as a mutational meltdown.

7:44
Some Mammal Traits Show Up a Lot Earlier and in Things That Weren’t Mammals at All.

10:01
Find out if Sloths Really Did Poop Themselves to Death.

7:21
Solve the Mystery of Where All Squid Fossils Are.

9:01
Find Out Why and How Weasels Push the Limits on What is Metabolically Possible.

7:28
Trees have a Far More Rooted History than You Think.

10:00
How did the Nunalleq village manage to survive and prosper during the Little Ice Age?