Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms (hierarchy name)
4. living organisms (entities)
5. Eukaryota (domain)
6. Animalia (kingdom)
7. Arthropoda (phylum)
8. Chelicerata (subphylum)
9. Arachnida (class)
10. Acari (subclass)

Anotations

Scope note:

General term referring to a number of genera containing about 30,000 species of tiny small, often microscopic in size arthropods, many of which are parasites of animals or plants or are destructive to food and other products.