http://www.thefreedictionary.com/Paleolithic
Noun 1. Paleolithic — second part of the Stone Age beginning about 750,00 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC
Palaeolithic, Paleolithic Age
Stone Age — (archeology) the earliest known period of human culture, characterized by the use of stone implements
Lower Paleolithic — the oldest part of the Paleolithic Age with the emergence of the hand ax; ended about 120,000 years ago
Middle Paleolithic — the time period of Neanderthal man; ended about 35,000 years BC
Upper Paleolithic — the time period during which only modern Homo sapiens was known to have existed; ended about 10,000 years BC
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