This "Age" is divided into the Paleolithic, the Mesolithic, & the Neolithic
The Stone Age, whose origin coincides with the discovery of the oldest known stone tools, which have been dated to some 3.3 million years ago, is usually divided into three separate periodsPaleolithic Period, Mesolithic Period, and Neolithic Periodbased on the degree of sophistication in the fashioning and use of ... [DOC] [TLE] The Stone Age - World History International [PAR] The Stone Age is usually divided into three separate periods--Paleolithic Period, 
Mesolithic Period, and Neolithic Period--based on the degree of sophistication... [DOC] [TLE] The Stone Age: the Palaeolithic Period - History in an HourHistory in ... [PAR] Jul 9, 2013 ... ... as being enormously long, and so was further sub-divided into three periods: 1.