Class Mammalia Linnaeus, 1758 - mammals
   Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889
     Family Bradypodidae Batsch, 1788 - three-toed tree sloths
       Genus Bradypus Linnaeus, 1758 - three-toed tree sloths
         1 Bradypus torquatus Illiger, 1811 - maned sloth
         2 Bradypus tridactylus Linnaeus, 1758 - pale-throated sloth
         3 Bradypus variegatus Schinz, 1825 - brown-throated sloth