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An Epoch is tens of millions of years(If you're talking about time).We are living in the Holonce (sorry if I spelled it wrong)Epoch. -Joseph Kim --184.108.40.206 (talk) 18:30, 20 February 2012 (UTC)
No, it is not: it is "a division of a geological period of time in which a geological series is formed." As such an epoch can be less than tens of millions, or more than tens of millions.--Mr Fink (talk) 04:40, 23 February 2012 (UTC)