Biology's Big Bang
Information about the Cambrian explosion and the mysterious fossils that immediately preceded it.
Cambrian Geography
Description and maps of the continents as they existed at the time.
International Subcommission on Cambrian Stratigrap
A virtual visit to the Cambrian world, details of stratigraphy, localities and life in the Cambrian.
The Cambrian Period
University of California Museum of Paleontology introduction to the Cambrian.
The Dawn of Animal Life
Exhibit about the first animals. Mostly Cambrian, some PreCambrian.