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 Caeciliidae Rafinesque, 1814
           01 Genus Boulengerula Tornier, 1896
           02 Genus Brasilotyphlus Taylor, 1968
           03 Genus Caecilia Linnaeus, 1758
           04 Genus Dermophis Peters, 1880
           05 Genus Gegeneophis Peters, 1880
           06 Genus Geotrypetes Peters, 1880
           07 Genus Grandisonia Taylor, 1968
           08 Genus Gymnopis Peters, 1874
           09 Genus Herpele Peters, 1880
           10 Genus Hypogeophis Peters, 1880
           11 Genus Idiocranium Parker, 1936
           12 Genus Indotyphlus Taylor, 1960
           13 Genus Luetkenotyphlus Taylor, 1968
           14 Genus Microcaecilia Taylor, 1968
           15 Genus Mimosiphonops Taylor, 1968
           16 Genus Oscaecilia Taylor, 1968
           17 Genus Parvicaecilia Taylor, 1968
           18 Genus Praslinia Boulenger, 1909
           19 Genus Schistometopum Parker, 1941
           20 Genus Siphonops Wagler, 1828
           21 Genus Sylvacaecilia Wake, 1987
           22 Subfamily Typhlonectinae Taylor, 1968
           23 Subfamily Scolecomorphinae Taylor, 1969