Squamata Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Order Squamata Oppel, 1811
   Episquamata Vidal & Hedges, 2005
     Toxicofera Vidal & Hedges, 2005
       Serpentes see Suborder Serpentes Linnaeus, 1758
         Family Leptotyphlopidae Stejneger, 1891 - slender blind snakes
           01 Genus Epacrophis Hedges, Adalsteinsson & Branch, 2009
           02 Genus Epictia Gray, 1845
           03 Genus Leptotyphlops Fitzinger, 1843
           04 Genus Mitophis Hedges, Adalsteinsson & Branch, 2009
           05 Genus Myriopholis Hedges, Adalsteinsson & Branch, 2009
           06 Genus Namibiana Hedges, Adalsteinsson & Branch, 2009
           07 Genus Rena Baird & Girard, 1853
           08 Genus Rhinoleptus Orejas-Miranda, Roux-Esteve & Guibe, 1970
           09 Genus Siagonodon Peters, 1881
           10 Genus Tetracheilostoma Jan, 1861
           11 Genus Tricheilostoma Jan, 1861
           12 Genus Trilepida Hedges, 2011