Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812
     Class Mammalia Linnaeus, 1758 - mammals
       Subclass Theria Parker & Haswell, 1897
         Infraclass Placentalia Owen, 1837 see Cohort Placentalia Owen, 1837
           Order Pilosa Flower, 1883 - sloths
             1 Suborder Folivora Delsuc, Catzeflis, Stanhope & Douzery, 2001
             2 Suborder Vermilingua Gray, 1869 - anteaters