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![]() Date: 2002-10-14 17:05:38Dinocephalians Phanerozoic Therapsids Pelycosaurs Extinction Synapsid Dimetrodon Therocephalia Anteosaurus Cynodonts Paleozoology Gorgonopsia | Source URL: www.yale.eduDownload Document from Source WebsiteFile Size: 854,96 KBShare Document on Facebook |