Coral reefs made rapid comeback after the greatest mass extinction of all time
Wednesday, October 5, 2011 - 12:30
in Paleontology & Archaeology
In the aftermath of the extinction that marked the end of the Paleozoic Era, 252.6 million years ago, reefs made by multicellular animals took less than two million years to reappear and diversify. Until now, it was thought that recovery had taken around ten million years.