Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. monuments
9. [monuments by form]
10. megalithic monuments

Anotations

Scope note:

Refers to megalithic prehistoric structures comprising two monolithic upright stones topped by a monolithic lintel. For smaller structures formed by two or more large standing stones capped by monolithic horizontal slabs, use "megalithic chamber tombs."