Paleozoic Era
When did bioluminescence evolve?
Was this prehistoric ‘killer shrimp’ as fierce as it looked?
'Lost' treasure trove of fossils rediscovered after 70 years
What are ammonites, and how did they come to rule the prehistoric seas?
Fossil 'conga lines' reveal origins of animal swarms
Amazing fossil shark skeleton is the first of its kind
Spectacular new fossil bonanza captures explosion of early life
Extinct species, explained
Half-Billion-Year-Old Fossil Brains Found in Ancient Predator
Permian Period
Devonian Period
Silurian Period
Carboniferous Period
Ordovician Period
Cambrian Period
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