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(geology) Of a geologic epoch within the Quaternary period from about 2,588,000 to 11,700 years ago (earlier definition 1.7 million to 11,000 years ago); marked by the evolution of man, and the extinction of the large mammals.
(geology) The Pleistocene epoch. quotations
A prehistoric site of late Pleistocene age, which was especially prepared for our visit, was seen at Ting-ts'un, above the Fen River (Shansi).
1977, F. Clark Howell, “Introduction”, in Paleoanthropology in the People's Republic of China, page 3
Throughout the Pleistocene, climatic changes exerted another type of selective pressure on human biological evolution, contributing to the rapid emergence of various Homo species over time.
2017, Anthony J. McMichael, Alistair Woodward, Cameron Muir, Climate Change and the Health of Nations, page 89