Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Pilosa Flower, 1883 - sloths
       Suborder Vermilingua Gray, 1869 - anteaters
         Family Cyclopedidae Pocock, 1924
           Genus Cyclopes Gray, 1821 - silky anteater
             Cyclopes didactylus (C. Linnaeus, 1758) - pygmy anteater
               1 [Cyclopes didactylus didactylus]ᵀ (C. Linnaeus, 1758)
               2 Cyclopes didactylus catellus Thomas, 1928
               3 Cyclopes didactylus dorsalis (Gray, 1865)
               4 Cyclopes didactylus eva Thomas, 1902
               5 Cyclopes didactylus ida Thomas, 1900
               6 Cyclopes didactylus melini Lönnberg, 1928
               7 Cyclopes didactylus mexicanus Hollister, 1914