What is the other name of a manatee?

There are four living manatee species. The dugong of Australia is the only other living member of the Order Sirenia. There is also the extinct Steller Sea Cow, as well as 10 prehistoric species dating as far back as 50 million years ago. Manatees' more distant relatives are the elephants, hyraxes, aardvark, sengis, and tenrecs. Together these orders comprise the Superorder Afrotheria.