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The Importance of PlateTectonic Theory
Change in Climates
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Amer appear Argentina Atlantic basalt Basin biogeography Blancan Bolivia Buffetaut Bull Caribbean Plate caviomorph Cenozoic Central America Chortis Block climatic Colhuehuapian Colombia continental continents Costa Rica Crocodilia Deseadan dispersal distribution diversity early Eocene eastern Pacific endemic Eocene evidence evolution extinct families fauna Florida Formation fossil record genera genus Geol Geology groups habitats Hist Hoffstetter immigrants indicate interchange isthmian Isthmus known land bridge land mammals land-mammal age Late Cretaceous late Miocene leptodactylid Locality mammalian mammals marine Marshall marsupials Mexico middle Miocene North and South northern Notoungulata notoungulates occurred oceanic Oligocene origin Paleocene paleomagnetic Paleontol Panama Pascual Patagonia patterns Patterson Petuch Pleistocene Pleurodira Pliocene present primitive Province Provincia Recent region Reig relative represented Reptilia Riochican rocks rodents rotation savanna sea level sediments Simpson South America southern species Stratigraphic occurrence subduction suggests taxa tectonic Tertiary tropical ungulates Uquian Venezuela vertebrates Webb zone