Keywords: Cambrian substrate revolution 02.png en Cambrian substrate revolution mark 2 showing more of pre-CSR biota For use with en Template Annotated image Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Sfan00_IMG using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper <br/> Original text I created this work entirely by myself 2008-07-17 Philcha talk Original uploader was Philcha at http //en wikipedia org en wikipedia Released into the public domain by the author Philcha en Original upload log page en wikipedia Cambrian_substrate_revolution_02 png 2008-07-17 12 06 Philcha 364×265× 62360 bytes <nowiki></nowiki> Cambrian Animalia life restorations Evolutionary biology Biology diagrams Proterozoic Paleontological diagrams Block diagrams cartography |