Leptotyphlopidae
Leptotyphlopidae sugeen barruko narrasti familia bat da. Amerika, Afrika eta Asian bizi dira.

Generoak 
 Epictinae Hedges, Adalsteinsson & Branch, 2009
 Epictia Gray, 1845
 Mitophis Hedges, Adalsteinsson & Branch, 2009
 Rena Baird & Girard, 1853
 Rhinoleptus Orejas-Miranda, Roux-Estève & Guibé, 1970
 Siagonodon Peters, 1881
 Tetracheilostoma Jan, 1861
 Tricheilostoma Jan, 1860
 Trilepida Hedges, 2011
 Leptotyphlopinae Stejneger, 1892
 Epacrophis Hedges, Adalsteinsson & Branch, 2009
 Leptotyphlops Fitzinger, 1843
 Myriopholis Hedges, Adalsteinsson & Branch, 2009
 Namibiana Hedges, Adalsteinsson & Branch, 2009

Kanpo estekak 

Serpentes
Leptotyphlopidae sugeen barruko narrasti familia bat da . Amerika , Afrika eta Asian bizi dira . Generoak Epictinae Hedges , Adalsteinsson & Branch , Epictia Gray , Mitophis Hedges , Adalsteinsson & Branch , Rena Baird & Girard , Rhinoleptus Orejas-Miranda , Roux-Estève & Guibé , Siagonodon Peters , Tetracheilostoma Jan , Tricheilostoma Jan , Trilepida Hedges , Leptotyphlopinae Stejneger , Epacrophis Hedges , Adalsteinsson & Branch , Leptotyphlops Fitzinger , Myriopholis Hedges , Adalsteinsson & Branch , Namibiana Hedges , Adalsteinsson & Branch , Kanpo estekak Serpentes