| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Serenia |
| Family: | Trichechidae |
- Genus
- species – Common Name
- Trichechus
- inunguis – Amazonian manatee
- manatus – West Indian manatee
- senegalensis – West African manatee
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Mammalia |
| Order: | Serenia |
| Family: | Trichechidae |
