Hierarchy classification:

1. top of the aat hierarchies
2. Styles and Periods Facet
3. Styles and Periods (hierarchy name)
4. [styles, periods, and cultures by region]
5. African (general, continental cultures)
6. prehistoric African
7. prehistoric Sub-Saharan African periods
8. Sub-Saharan African Earlier Stone Age periods
9. Pre-Chellean

Anotations

Scope note:

Period of toolmaking tradition characterized by crude bi-directionally chipped tools of quartz, quartzite, or basalt, used for chopping, scraping, or cutting. These date from the early Paleolithic. It is thought that these implements were manufactured by early hominids or robust australopithecines.