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. Early Western World
6. Mediterranean (Early Western World)
7. Egyptian (ancient)
8. Egyptian periods
9. Predynastic
10. Lower Egyptian Predynastic

Anotations

Scope note:

Refers to the Predynastic period in Lower Egypt from about 3500 to 3250 BCE named after the site of El-Omari. The period is characterized by the continuation of lithic and pottery forms from the previous Merimde period.