Trichechidae is a family of

sirenians The Sirenia (), commonly referred to as sea cows or sirenians, are an order (biology), order of fully aquatic, herbivorous mammals that inhabit swamps, rivers, estuaries, marine wetlands, and coastal marine waters. The extant Sirenia comprise tw ...

that includes all living

manatees Manatees (, family Trichechidae, genus ''Trichechus'') are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows. There are three accepted living species of Trichechidae, representing three of the four living spe ...

and several extinct genera.

Systematics

Trichechidae *MiosireninaeM. Voss. 2014. On the invalidity of Halitherium schinzii Kaup, 1838 (Mammalia, Sirenia), with comments on systematic consequences. Zoosystematics and Evolution 90(1):87-93 **'' Anomotherium'' ***''Anomotherium langewieschei'' **'' Miosiren'' ***''Miosiren canhami'' ***''Miosiren kocki'' *Trichechinae **'' Trichechus'' ***''Trichechus inunguis'' -

Amazonian Manatee The Amazonian manatee (''Trichechus inunguis'') is a species of manatee that lives in the Amazon Basin in Brazil, Peru, Colombia and Ecuador. It has thin, wrinkled brownish or gray colored skin, with fine hairs scattered over its body and a white ...

***''Trichechus manatus'' -

West Indian Manatee The West Indian manatee (''Trichechus manatus''), also known as the North American manatee, is a large, aquatic mammal native to warm coastal areas of the Caribbean, from the Eastern United States to northern Brazil. Living alone or in herds, it ...

***''Trichechus senegalensis'' -

African Manatee The African manatee (''Trichechus senegalensis''), also known as the West African manatee, is a species of manatee that inhabits much of Western Africa – from Senegal to Angola. It is the only manatee species to be found in the Old World. Ta ...

***'' Trichechus hesperamazonicus'' **'' Potamosiren'' ***''Potamosiren magdalensis'' **'' Ribodon'' ***''Ribodon limbatus''

References

Mammal families Taxa named by Theodore Gill Sirenians {{Mammal-stub