University of Bristol
EARTH
SCIENCES
Welcome to the Cambrian Explosion Web-site at the Department of Earth Sciences!
This site is dedicated to the Cambrian radiation event and the origin of metazoan life.
Interested? Choose a subject from the contents below or use the link buttons at the end of each page to navigate around the site.
Timing
: What is the Cambrian 'explosion' and when did it happen?
The Cambrian environment
First appearances
Triggers
: What set the fuse? Facts and theories
Extrinsic causes
Intrinsic causes
Fossils
: Important groups and their significance
The Ediacara
'Small Shelly Fossils'
Burgess Shale type faunas
Controversies
: Not everyone agrees!
Timing of metazoan origins
Recent discoveries
Still interested? Click on the books for references, further reading and links to related web-sites
Go to: The Department of Earth Sciences Homepage
Go to: Bristol Palaeontology Homepage
This page is maintained by
Abby Lane
and was last updated on 23rd January 1999.
