First land ecosystems (Rhynie chert)
Primeros ecosistemas terrestres (sílex de Rhynie)
- Date
- c. 407 Ma · confidence medium
- Place
- Rhynie, Aberdeenshire, Scotland, United Kingdom
- Credited to
- Natural event
- Field
- Life & health
What was discovered
A hot spring petrified an entire ecosystem: primitive land plants, fungi, lichens and arthropods, preserved cell by cell.
Planetary event (F5), verified against sources on 25-09-2026.
What it led to
- Colonisation of dry land