Paleozoic Era
539-252 million years ago · Event
The era of 'ancient life': from the Cambrian Explosion to the Great Dying, life fills the seas, crawls ashore, forests the continents and learns to lay eggs on land. It ends with the worst extinction of all time — and the survivors' world belongs to the dinosaurs.
On these timelines: The Age of Dinosaurs, Master
More from The Age of Dinosaurs
- Cretaceous–Paleogene extinction (66000000 BCE)
- Tyrannosaurus rex (68000000 BCE)
- Mesozoic Era (252000000 BCE)
- Jurassic Period (201000000 BCE)
- Cretaceous Period (145000000 BCE)
- Triassic Period (252000000 BCE)
- Archaeopteryx and the first birds (150000000 BCE)
- Permian Period (299000000 BCE)
Around 538800000 BCE
- Cambrian Explosion (541000000 BCE)
- Cambrian Period (538800000 BCE)
- First fish, the earliest vertebrates (518000000 BCE)
- Ordovician Period (485000000 BCE)