Trichechidae
| Trichechidae Temporal range: Late Oligocene – Recent | |
|---|---|
| West Indian manatee (Trichechus manatus) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Sirenia | 
| Family: | Trichechidae Gill 1872 | 
| Genera | |
| See Text | |
Trichechidae is a family of sirenians that includes all living manatees and several extinct genera.