Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Class Reptilia Linnaeus, 1758 - reptiles
       Subclass Lepidosauria Duméril & Bibron, 1839
         Order Squamata Oppel, 1811
           Suborder Serpentes Linnaeus, 1758 - snakes
             Family Typhlopidae Merrem, 1820 - blind snakes