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![]() Date: 2004-10-26 11:13:00Geologic time scale Burgess Shale Paleontology Geology of the Rocky Mountains Walcott Quarry Phyllopod bed Shale Fossil Eldonia Lagerstätten Paleozoic Phanerozoic | Source URL: earth.geology.yale.eduDownload Document from Source WebsiteFile Size: 918,89 KBShare Document on Facebook |