Paleozoic Era

When did bioluminescence evolve?

When did bioluminescence evolve?

When did bioluminescence evolve?

Was this prehistoric ‘killer shrimp’ as fierce as it looked?

Was this prehistoric ‘killer shrimp’ as fierce as it looked?

Was this prehistoric ‘killer shrimp’ as fierce as it looked?

'Lost' treasure trove of fossils rediscovered after 70 years

'Lost' treasure trove of fossils rediscovered after 70 years

'Lost' treasure trove of fossils rediscovered after 70 years

What are ammonites, and how did they come to rule the prehistoric seas?

What are ammonites, and how did they come to rule the prehistoric seas?

What are ammonites, and how did they come to rule the prehistoric seas?

Fossil 'conga lines' reveal origins of animal swarms

Fossil 'conga lines' reveal origins of animal swarms

Fossil 'conga lines' reveal origins of animal swarms

Amazing fossil shark skeleton is the first of its kind

Amazing fossil shark skeleton is the first of its kind

Amazing fossil shark skeleton is the first of its kind

Spectacular new fossil bonanza captures explosion of early life

Spectacular new fossil bonanza captures explosion of early life

Spectacular new fossil bonanza captures explosion of early life

Extinct species, explained

Extinct species, explained

Extinct species, explained

Half-Billion-Year-Old Fossil Brains Found in Ancient Predator

Half-Billion-Year-Old Fossil Brains Found in Ancient Predator

Half-Billion-Year-Old Fossil Brains Found in Ancient Predator

Permian Period

Permian Period

Permian Period

Devonian Period

Devonian Period

Devonian Period

Carboniferous Period

Carboniferous Period

Carboniferous Period

Silurian Period

Silurian Period

Silurian Period

Ordovician Period

Ordovician Period

Ordovician Period

Cambrian Period

Cambrian Period

Cambrian Period

Legal

Terms of Use
Privacy Policy
Your US State Privacy Rights
Children's Online Privacy Policy
Interest-Based Ads
About Nielsen Measurement
Do Not Sell or Share My Personal Information

Our Sites

Nat Geo Home
Attend a Live Event
Book a Trip
Buy Maps
Inspire Your Kids
Shop Nat Geo
Visit the D.C. Museum
Watch TV
Learn About Our Impact
Support Our Mission
Masthead
Press Room
Advertise With Us

Join Us

Subscribe
Customer Service
Renew Subscription
Manage Your Subscription
Work at Nat Geo
Sign Up for Our Newsletters
Contribute to Protect the Planet

Follow us

Copyright © 1996-2015 National Geographic SocietyCopyright © 2015-2025 National Geographic Partners, LLC. All rights reserved