Cambrian explosion (Chengjiang fossils)
Explosión cámbrica (fósiles de Chengjiang)
- Date
- c. 538–518 Ma · confidence medium
- Place
- Chengjiang, Yunnan, China
- Credited to
- Natural event
- Field
- Life & health
What was discovered
Within a few million years almost all the major animal groups appear, with shells, eyes and legs; the Chengjiang biota preserves even their soft parts.
Planetary event (F5), verified against sources on 25-09-2026.
What it led to
- Animal diversification