Quaternary Period — synonyms, definition
1. Quaternary period (Noun)
2 synonyms
Age of Man quaternary
1 definition
Quaternary period (Noun) — Last 2 million years.
2 types of
geological period period
7 parts
Holocene Holocene epoch Pleistocene Pleistocene epoch Recent epoch glacial epoch recent
3 parts of
Age of Mammals Cenozoic Cenozoic era