Pleistocene geochronology

third age of the Pleistocene epoch

The Gelasian is an age in the international geologic timescale or a stage in chronostratigraphy, being the earliest or lowest subdivision of the Quaternary Period/System and Pleistocene Epoch/Series. It spans from 2.58–1.80 million years ago, following the Piacenzian Age (from the Pliocene Epoch) and preceding the Calabrian Age.

Fourth and final age of the Pleistocene Epoch

second age of the Pleistocene Epoch

first subseries and subepoch of the Pleistocene Series and Epoch