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![]() Date: 2007-01-31 11:16:50Paleontology Ediacara biota Charnia Bradgatia Charniodiscus Roger Mason Ediacaran Trevor D. Ford Precambrian Geologic time scale Ediacaran biota Historical geology | Source URL: www.le.ac.ukDownload Document from Source WebsiteFile Size: 626,21 KBShare Document on Facebook |