* Biostratigraphy – includes information on Cambrian trilobite biostratigraphy* Dr. Sam Gon's trilobite pages (contains numerous Cambrian trilobites)* Examples of Cambrian Fossils* Paleomap Project* Report on the web on Amthor and others from "Geology" vol.
== External links ==* Biostratigraphy – includes information on Cambrian trilobite biostratigraphy* Dr. Sam Gon's trilobite pages (contains numerous Cambrian trilobites)* Examples of Cambrian Fossils* Paleomap Project* Report on the web on Amthor and others from "Geology" vol.