Manatees
Manatee with calf
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Infraclass:	Eutheria
Superorder:	Afrotheria
Order:	Sirenia
Family:	Trichechidae
Genus:	Trichechus
Species
Trichechus inunguis Trichechus manatus Trichechus senegalensis

Manatees are large, fully-aquatic marine mammals of the order Sirenia. They are sometimes known as sea cows. The manatees form the genus Trichechus. There are three manatee species.

The name comes from the Spanish manatí, which itself comes from a Carib word meaning "breast".