Here's a more detailed breakdown of their classification:
* Kingdom: Animalia (Animals)
* Phylum: Chordata (Chordates)
* Class: Mammalia (Mammals)
* Order: Sirenia (Sirenians)
* Family: Trichechidae (Manatees)
* Genus: *Trichechus* (West Indian manatee and Amazonian manatee) and *Dugong* (Dugong)
There are three species of manatees:
* West Indian manatee (*Trichechus manatus*)
* Amazonian manatee (*Trichechus inunguis*)
* African manatee (*Trichechus senegalensis*)
The Dugong (*Dugong dugon*) is a closely related species that is often called a "sea cow" but is not a manatee.