he sloth's scientific name is Bradypus tridactylus. Here is its taxonomy according to the National History Museum:
Empire: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Pilosa
Superfamily: Folivora
Family: Bradypodidae
Genus: Bradypus
Species: Choloepus (lame foot), Choloepus didactylus (Linnaeus's two-toed sloth), Choloepus hoffmanni (Hoffmann's two-toed sloth), Bradypus variegatus (brown-throated sloth), Bradypus torquatus (the maned sloth), Bradypus tridactylus (the pale-throated sloth), Bradypus pygmaeus (pygmy three-toed sloth)