This "Age" is divided into the Paleolithic, the Mesolithic, & the Neolithic
The stone age can be divided into the 
Paleolithic ("Old Stone Age"), during which all humans were hunter-gatherers;... [DOC] [TLE] The Stone Age - Boundless [PAR] Create a timeline of the Paleolithic, Mesolithic, and Neolithic Periods of the Stone 
Age, giving a ...