Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
   Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theria Parker & Haswell, 1897
       Infraclass Eutheria Gill, 1872
         Cohort Edentata Cuvier, 1798
           Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889