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Date: 2013-04-01 15:21:24Pleistocene Pliocene Blancan Irvingtonian North American Land Mammal Age Hemphillian Rancholabrean Paramylodon Ground sloth Phanerozoic Geologic time scale Cenozoic | Late Cenozoic vertebrate faunas, southeastern ArizonaAdd to Reading ListSource URL: nmgs.nmt.eduDownload Document from Source WebsiteFile Size: 2,07 MBShare Document on Facebook |