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Date: 2011-11-14 17:21:12Historical geology Prehistoric life Incertae sedis Fossils Kimberella Onega stepanovi Ediacara biota Yorgia Trace fossil Geologic time scale Ediacaran biota Paleontology | Add to Reading ListSource URL: people.earth.yale.eduDownload Document from Source WebsiteFile Size: 1,46 MBShare Document on Facebook |