Villafranchian

A Dictionary of Earth Sciences | 1999 | 178 words | Copyright

Villafranchian A mammalian age whose base is dated at approximately 3 Ma ago. It lasted an estimated 2 Ma and therefore transgresses the Late Pliocene/Early Pleistocene boundary.

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AILSA ALLABY and MICHAEL ALLABY. "Villafranchian." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Villafranchian." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-Villafranchian.html

AILSA ALLABY and MICHAEL ALLABY. "Villafranchian." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Villafranchian.html

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