| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Serenia |
| Family: | Dugongidae |
- Genus
- species – Common Name
- Dugong
- dugong – Dugong
- Hydrodamalis
- gigas – Great northern sea cow
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Serenia |
| Family: | Dugongidae |
