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 5200 to 4800 BCE. This phase is named after a distinctive type of pottery found at the site of Hajji Muhammed, which was usually painted with dense patterns creating dark zones on the light buff pottery.