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Date: 2010-07-15 21:35:21Planetary science Permian Extinction events Geochronology Paleontology Permian–Triassic extinction event Conodont Hindeodus Impact event Geologic time scale Phanerozoic Historical geology | External Review Committee Prof. Charles T. Prewitt Dr. Stephen H. Kirby ChairAdd to Reading ListSource URL: www.gcoe.es.tohoku.ac.jpDownload Document from Source WebsiteFile Size: 3,48 MBShare Document on Facebook |