This is a rough representation of the prehistoric timeline.

The large grey bar at the top indicates the whole of the Stone Age, incorporating the different ages:

Paleolithic (Pink)

Mesolithic (Blue)

Neolithic (Purple)

Timeline from Lower Palaeolithic Age to Present day…ish!
Not to scale!

The Paleolithic Age is then subdivided into the

Lower (Brown)

Middle (Pale Grey)

Upper (Orange)

Paleolithic Ages…

The whole Stone Age Period spans from 2.7 million to 2000 years ago!

The little green section at the end, is the last 2000 years!