Permian-Triassic mass extinction, 250,000,000 years ago

This 18 July 2019 video says about itself:

The Siberian Traps: A 250 Million Year Old Crime Scene

The event that killed the dinosaurs 66 million years ago might be the most famous mass extinction ever, but it’s not the only one in Earth’s history, nor is it the worst… not by a long shot.

5 thoughts on “Permian-Triassic mass extinction, 250,000,000 years ago

  1. Pingback: ‘Sponges saved life on earth’ | Dear Kitty. Some blog

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