Class Mammalia Linnaeus, 1758 - mammals
   Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889
     Family Dasypodidae Gray, 1821 - armadillos
       Subfamily Chlamyphorinae (Bonaparte, 1850) Yepes, 1928 see Family Chlamyphoridae Pocock, 1924
         Genus Chlamyphorus Harlan, 1825 - fairy armadillos
           1 Chlamyphorus retusus Burmeister, 1863 - Chacoan fairy armadillo see Calyptophractus retusus (Burmeister, 1863)
           2 Chlamyphorus truncatus Harlan, 1825 - lesser fairy armadillo