Mammaliaformes Rowe 1988
   [crown] Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval. see Class Mammalia Linnaeus, 1758
     Theriimorpha Rowe 1993
       [crown] Theria Parker & Haswell 1897 [McKenna 1975] see Subclass Theria Parker & Haswell, 1897
         Eutheria Gill 1872 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Infraclass Eutheria Gill, 1872
           [crown] Placentalia Owen 1837 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Cohort Placentalia Owen, 1837
             [crown] Xenarthra Cope 1889 see Magnorder Xenarthra Cope, 1889
               1.1[11] Genus †Riostegotherium Oliveira & Bergvist, 1998
               1.2 Dasypus novemcinctus Linnaeus, 1758 - common long-nosed armadillo
               2[G] [crown] Pilosa Flower 1883 see Order Pilosa Flower, 1883