Archive · 19 Nov 2025
Arctic Fossil Discovery Reveals Rapid Recovery of Marine Life After Mass Extinction
Scientists found lots of old fossils in the Arctic.
These fossils show that after a big disaster that killed many sea creatures, new ones came back quickly and lived in a diverse ecosystem.
This happened much faster than we thought before.
Over 30,000 fossils found on Spitsbergen island in the Svalbard archipelago
Fossils date back to around 249 million years ago, during the dinosaur era
Discovery includes teeth, bones, and coprolites of marine reptiles, amphibians, fish, and sharks
Findings challenge previous beliefs about slow recovery of marine ecosystems post-extinction
Fossils show diverse marine life thriving just 3 million years after the end-Permian mass extinction
- Who
- Scandinavian palaeontologists from the Swedish Museum of Natural History and the Natural History Museum at the University of Oslo
- What
- Discovered over 30,000 fossils on Spitsbergen island
- When
- Around 249 million years ago
- Where
- Spitsbergen island in the Svalbard archipelago
- Why
- To understand how marine life recovered after the end-Permian mass extinction
Previous Beliefs
New Findings
Recovery Time
Previous Beliefs
Marine ecosystems took about 8 million years to recover
New Findings
Marine life recovered quickly, within 3 million years
Diversification Timing
Previous Beliefs
Diversification of sea-going reptiles happened after the extinction
New Findings
Diversification may have begun before the end-Permian extinction
- Fossil Age
- Around 249 million years old
- Number of Fossils
- Over 30,000
- Types of Fossils
- Teeth, bones, coprolites of marine reptiles, amphibians, fish, and sharks
- Discovery Year
- 2015
- Publication Year
- 2022 (in Science journal)