300 million years ago
From Multiversal Omnipedia
- Real World: 299 million years ago. Beginning of the Permian Period, which is marked by a mass extinction that wipes out 95% of all life on Earth.
- Real World: 251 million years ago. The Mesozoic Era begins with the Triassic Period. Rise of the first dinosaurs, and primitive egg-laying mammal-like animals.
|<< Back to 400 million years ago|| ^Up to the Paleozoic Era^
^Up to the Mesozoic Era^
|Forward to 200 million years ago >>|