600 million years ago
From Multiversal Omnipedia
Revision as of 22:20, 1 March 2007 by 68.54.171.237 (Talk)
Events
- Real World: 542 million years ago. The Paleozoic Era begins with the Cambrian Period. A wide variety of complex multicellular lifeforms begin to evolve and develop on Earth, such as trilobites. The earliest fish appear at this time, although invertebrates are dominant.
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