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. Near Eastern (Early Western World)
7. Mesopotamian (culture or style)
8. prehistoric Mesopotamian periods
9. prehistoric Southern Mesopotamian periods
10. Ubaid

Anotations

Scope note:

Refers to the phase in the Ubaid period in southern Mesopotamia from about 5500 to 5000 BCE. This phase is named after pottery found at early levels at the site of Eridu. The pottery was a fine monochrome ware with a limited distribution in southern Mesopotamia.