a geological epoch that lasted somewhere between 2,580,000 to about 11,700 years ago, it fell between the Pliocene epoch and the Holocene epoch
https://en.wikipedia.org/wiki/Pleistocenea geological epoch that lasted somewhere between 2,580,000 to about 11,700 years ago, it fell between the Pliocene epoch and the Holocene epoch
https://en.wikipedia.org/wiki/Pleistocene