vertebrates Cuvier, 1812 - vertebrates
   Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
     Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
       Order †Temnospondyli Zittel, 1888 - temnospondyls
         Suborder †Stereospondyli Zittel, 1888 see [unranked] Stereospondyli Fraas, 1889
           Superfamily †Capitosauroidea Säve-Söderbergh, 1935
             1 Family †Capitosauridae Säve-Söderbergh, 1935