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. Mollusca (phylum)

Narrower term/s

• clams
• Pteriomorphia (subclass)[+]
  • Ostreoida (order) [+]
    • Pectinidae (family) [+]
      • Nodipecten (genus) [+]
    • Ostreidae (family)
    • oysters
    • Spondylidae (family) [+]
      • Spondylus (genus) [+]
  • Pterioida (order) [+]
    • Pteriidae (family) [+]
      • Pinctada (genus) [+]
• mussels
• Heterodonta (subclass)[+]
  • Veneroida (order) [+]
    • Cardiidae (family)

Anotations

Scope note:

Class of mollusks characterized by a two-piece, hinged outer shell divided from front to back into left and right valves, and large, flattened gills covered with tiny beating cilia; most species are sedentary, often burrowing, filter feeders such as clams, oysters, and others.