Quaternary period
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Related to Quaternary period: Tertiary period, Neogene Period
Quaternary period
The second (present) period of the Cenozoic era: 2 million to the present.
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Noun | 1. | ![]() Pleistocene, Pleistocene epoch, Glacial epoch - from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution |
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