The end of the Ediacara biota: Extinction, biotic replacement, or Cheshire Cat? Laflamme, Marc; Darroch, Simon A. F.; Tweedt, Sarah M.; Peterson, Kevin J.; Erwin, Douglas H. Abstract Publication: Gondwana Research Pub Date: March 2013 DOI: 10.1016/j.gr.2012.11.004 Bibcode: 2013GondR..23..558L