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Date: 2011-09-12 16:11:28Botany Devonian Rhynie chert Paleobotany Silurian Plant Arachnid Euthycarcinoida Trigonotarbida Taxonomy Biology Arthropods | Terrestrialization (Precambrian–Devonian) Paul A Selden, University of Manchester, Manchester, UKAdd to Reading ListSource URL: www.paulselden.netDownload Document from Source WebsiteFile Size: 163,98 KBShare Document on Facebook |