A broad prehistoric period during which stone was used to make tools and weapons and is synonymous with Stone Age. Subdivisions:
- Lower Paleolithic: ~3.4 mya - 300 kya.
- Middle Paleolithic: Consists of use of prepared cores (i.e. Levallois Technique) and hafted tools and weapons. ~300 - 30 kya.
- Upper Paleolithic: Coincides with behavioral modernity and predates the advent of agriculture. Artifacts include finely crafted stone blades and bone and antler tools, such as harpoons and needles. ~50 - 10 kya.