Order Squamata Oppel, 1811
   Suborder Serpentes Linnaeus, 1758 - snakes
     Infraorder Alethinophidia Nopcsa, 1923
       Parvorder Henophidia Hoffstetter, 1939
         Superfamily Anilioidea Stejneger, 1907
           Family Aniliidae Stejneger, 1907 - cylinder snakes
             1 Subfamily Aniliinae Stejneger, 1907 see Family Aniliidae Stejneger, 1907
             2 Subfamily Cylindrophinae Fitzinger, 1843 see Family Cylindrophiidae Fitzinger, 1843