Published Online: 19 APR 2001
Copyright © 2001 John Wiley & Sons, Ltd. All rights reserved.
How to Cite
Valentine, J. W. 2001. Cambrian Radiation. eLS. .
- Published Online: 19 APR 2001
It is consistent with the fossil record that all living phyla had evolved by the end of Early Cambrian time, over half a billion years ago. Many phyla first appear as marine fossils during a 10-million-year period in the Early Cambrian known as the Cambrian explosion, and radiated rapidly to produce marine communities analogous to those of today.