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. Reptilia (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. Reptilia
10. Anapsida

Anotations

Scope note:

Extinct order of aquatic reptiles with slender elongate jaws filled with long pointed teeth, a tail as long as or longer than the body and flattened side to side, well developed limbs, and enlarged paddlelike hind feet.