Superorder: Afrotheria List of South American mammals
west indian manatee
sirenia order of aquatic, herbivorous mammals inhabit rivers, estuaries, coastal marine waters, swamps, , marine wetlands. 4 species endangered. evolved 50 million years ago, , closest living relatives elephants. manatees extant afrotherians in americas. however, number proboscid species, of survived until arrival of paleoindians, once inhabited region. reached south america have been classified gomphotheres, instead elephantids.
family: trichechidae
genus: trichechus
amazonian manatee trichechus inunguis vu
west indian manatee trichechus manatus vu
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