Britannica
Sources used in this answer
Which geologic epoch came before the Pleistocene Epoch?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Pleistocene Epoch
Ice sheets during the Wisconsin glacial episode penetrated deep into North America.
The Pleistocene Epoch was preceded by the Pliocene Epoch of the Neogene Period.1