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. Chordata (phylum)
8. Vertebrata (subphylum)
9. Mammalia (class)

Additional parents:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms
4. living organisms
5. Eukaryota
6. Animalia
7. Chordata
8. Vertebrata
9. Mammalia
10. Placentalia

Narrower term/s

• Dugongidae (family)[+]
  • Dugong (genus) [+]
    • Dugong dugon (species)
• Trichechidae (family)[+]
  • Trichechus (genus)

Anotations

Scope note:

Order containing four living mammal species in two families, characterized by being fully aquatic, herbivorous, inhabiting rivers, estuaries, coastal marine waters, swamps, and marine wetlands. The order evolved during the Eocene epoch, more than 50 million years ago.