Pleistocene epoch
Noun
Meaning
from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
Source: WordNetSynonyms
Examples
It’s an environmentally apocalyptic tale; the world is in the midst of tectonic plate shifts, and since the family appear Neanderthal, it must have be the Pleistocene Epoch shifting into the Holocene Epoch.