Class [Mammalia] Linnaeus, 1758 - mammals
Order Xenarthra Cope, 1889 - xenarthrans
see Magnorder Xenarthra Cope, 1889
Suborder Pilosa Flower, 1883 - sloths
see Order Pilosa Flower, 1883
Infraorder Phyllophaga Owen, 1842
see Suborder Folivora Delsuc, Catzeflis, Stanhope & Douzery, 2001
Parvorder †Mylodonta McKenna & Bell, 1997
see Infraorder Mylodonta McKenna & Bell, 1997
1 Family †Scelidotheriidae Ameghino, 1889
2 Family †Mylodontidae Gill, 1872