This terrific site from the National Museum of Natural History gives general information about the Burgess Shale and the fossils found within. Use the links to go the Burgess Shale specimens page where there are drawings of many of the fossils found in the shale. Click on the individual fossils for information about each. The Cambrian World page shows a depiction of where the creatures lived in the Cambrian period as well as a map of the world at that time.