Permian–Triassic mass extinction
Gran extinción del Pérmico-Triásico
- Date
- c. 252 Ma · confidence medium
- Place
- Meishan, Zhejiang, China
- Credited to
- Natural event
- Field
- Life & health
What was discovered
The Siberian Traps eruptions heat and acidify the planet: between 80 and 90% of marine species vanish, the largest known extinction. Meishan marks the reference boundary.
Planetary event (F5), verified against sources on 25-09-2026.
What it led to
- Age of the dinosaurs