| kin(noun, species, rank, classification, category) |
| pecora(noun, nature, animal, species, being) |
| pig(noun, nature, animal, species, being) |
| race(noun, species, rank, classification, category) |
| species(noun, rank, classification, category) |
| superfamily(noun, species, rank, classification, category) |
| type(noun, species, rank, classification, category) |
| variety(noun, species, rank, classification, category) |
| world(noun, entity, nature, being) |
| agriochoeridae(noun, animal, family, mammal) |
| anoplotheriidae(noun, animal, family, mammal) |
| balaenidae(noun, animal, family, mammal) |
| balaenopteridae(noun, animal, family, mammal) |
| cainotheriidae(noun, animal, family, mammal) |
| cetotheriidae(noun, animal, family, mammal) |
| delphinidae(noun, animal, family, mammal) |
| entelodontidae(noun, animal, family, mammal) |
| eschrichtiidae(noun, animal, family, mammal) |
| genus(noun, species, rank, classification, category) |
| hippopotamidae(noun, nature, animal, species, being) |