When Giant Amphibians Reigned
Season 1 Episode 60 | 9m 51s
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.
Aired: 10/17/18Video has closed captioning.