| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Trichechus inunguis (Natterer, 1883) |
Amazonian manatee | South America - Inland water | 300 |
| Trichechus manatus Linnaeus, 1758 |
West Indian manatee | Western Atlantic | 390 |
| Trichechus senegalensis Link, 1795 |
West African manatee | Eastern Atlantic and Africa Inland Waters | 400 |