Cambrian Explosion
~541 mya · Event
Rapid diversification of complex multicellular life; most major animal phyla appear in the fossil record.
On these timelines: Master, The Age of Dinosaurs
Around 541000000 BCE
- Paleozoic Era (538800000 BCE)
- Cambrian Period (538800000 BCE)
- First fish, the earliest vertebrates (518000000 BCE)