Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Order Pilosa Flower, 1883 - sloths
Suborder Folivora Delsuc, Catzeflis, Stanhope & Douzery, 2001
Family Bradypodidae Batsch, 1788 - three-toed tree sloths
Genus Bradypus Linnaeus, 1758 - three-toed tree sloths
Bradypus variegatus Schinz, 1825 - brown-throated sloth
Bradypus variegatus ephippiger Philippi, 1870