Class Mammalia Linnaeus, 1758 - mammals
   Order Monotremata Bonaparte, 1837 - monotremes
     Family Tachyglossidae Gill, 1872 - spiny anteaters
       Genus Tachyglossus Illiger, 1811 - short-nosed echidna
         Tachyglossus aculeatus (Shaw, 1792) - short-beaked echidna
           1 Tachyglossus aculeatus lawesi see Tachyglossus aculeatus lawesii Ramsay, 1877
           2 Tachyglossus aculeatus typicus see Tachyglossus aculeatus aculeatus (Shaw, 1792)
           3 Tachyglossus aculeatus setosus (Geoffroy Saint-Hilaire, 1803)