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Windows Live® Search Results Cenozoic Era, most recent of the major eras of geologic time, beginning about 65 million years ago and extending through the present. The Cenozoic follows the Cretaceous Period of the Mesozoic Era and is subdivided into the Paleogene and Neogene periods. Features of the Cenozoic are considered in articles under the names of the various shorter time periods (epochs) making up the era; in order, from earliest to latest, these are the Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, and Holocene. The Cenozoic, shortest of the geologic eras, is that period during which the modern world, with its characteristic geographical features and its animals and plants, came into being.
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