Noun: Pleistocene epoch
- The Pleistocene epoch from about 2.6 million to 11,700 years ago, characterized by extensive glaciation of the Northern Hemisphere and human evolution
"Many large mammals went extinct during the Pleistocene epoch";
- Pleistocene, Glacial epoch
Type of: epoch
Part of: Age of Man, Quaternary, Quaternary period
Encyclopedia: Pleistocene epoch