Saturday, July 11, 2026
Science

Researchers link the mass extinction of once-dominant marine groups to intolerable heat, diminished oxygen in oceans

A new Stanford-led study offers the clearest picture yet of how some ocean life survived our planet's biggest mass extinction while most animals did not. About 252 million years ago, 96% of marine species and 70% of land animals died off during the Permian–Triassic extinction event, known as the "Gr...

Researchers link the mass extinction of once-dominant marine groups to intolerable heat, diminished oxygen in oceans
Image: Phys.org
A new Stanford-led study offers the clearest picture yet of how some ocean life survived our planet's biggest mass extinction while most animals did not. About 252 million years ago, 96% of marine species and 70% of land animals died off during the Permian–Triassic extinction event, known as the "Great Dying." Not all branches of the evolutionary tree were affected evenly, however.

Originally published at Phys.org

The Morning Briefing

Subscribe to our Newsletter

Be the first to receive the latest news, market analysis and updates — delivered straight to your inbox.