
earliest major worldwide division of the Neogene Period (the past 23 million years) that extended from 23 million to 5.3 million years ago. It is ... [10 related articles]
Found on
http://www.britannica.com/eb/a-z/m/98

The fourth geological epoch of the Cenozoic era. The Miocene occurred approximately 23–5 million years ago.
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http://www.daviddarling.info/encyclopedia/M/Miocene.html

The Miocene epoch was a geologic time span that lasted from 24 million to 5 million years ago. During the Miocene, modern birds and many mammals evolved (including the horses, dogs, bears, South American monkeys, and apes in southern Europe). Ramapithecus appeared; this primate was pehaps an ancestor of man. The climate was relatively warm (as comp...
Found on
http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

An epoch from 23.03 to 5.3 million years ago with six Ages: Aquitanian, Burgidalian, Langhian, Serravalian, Tortonian, and Messinaian.
Found on
http://www.scientificpsychic.com/etc/geology-glossary.html
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