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When Giant Amphibians Reigned | Eons

WKNO
Published February 15, 2024 at 4:00 AM CST

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.
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Eons | PBS Specials