Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Infraclass Eutheria Gill, 1872
Magnorder Atlantogenata Waddell, Cao, Hasegawa & Mindell, 1999
Superorder Xenarthra Cope, 1889
Order Pilosa Flower, 1883 - sloths
Suborder Vermilingua Gray, 1869 - anteaters
Family Cyclopedidae Pocock, 1924