Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         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
                     Infraorder Scolecophidia Duméril & Bibron, 1844
                       Family Leptotyphlopidae Stejneger, 1891 - slender blind snakes
                         Genus Leptotyphlops Fitzinger, 1843
                           Leptotyphlops dulcis (Baird & Girard, 1853) - Texas slender blind snake see Rena dulcis Baird & Girard, 1853
                           Leptotyphlops humilis (Baird & Girard, 1853) - western slender blind snake see Rena humilis Baird & Girard, 1853