Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
   Amphibia Gray 1825 [Gauthier, Kluge & Rowe 1988] - amphibians see Class Amphibia Gray, 1825
     Gymnophiona Müller, 1832 see Order Gymnophiona Rafinesque, 1814
       Stegokrotaphia Cannatella & Hillis, 1993
         Family Ichthyophiidae Taylor, 1968
           1 Genus Caudacaecilia Taylor, 1968
           2 Genus "Ichthyophis" Fitzinger, 1826
           3 Genus Uraeotyphlus Peters, 1880