- Science
- Global
Huayuan biota decodes Earth's first Phanerozoic mass extinction
- February 1, 2026 at 5:10 PM
- 3 views
Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world to one teeming with animal life, as nearly all major animal phyla appeared abruptly in the fossil record over a very short geological time interval. This landmark evolutionary event is known as the Cambrian Explosion.
Originally published at Phys.org