The Biggest Extinction You’ve Never Heard Of
PBS Eons · History & GK · 13 min · 1.2 million views · published 2026-10-13
In the early 20th century, it was discovered there was a point in the fossil record where most European mammals just…vanished, only to be re Kallie Moore Michelle Barboza-Ramirez Blake de Pastino eons Hank Green John Gre
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