Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Class Amphibia Gray, 1825 [paraphyletic]
           Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
             Superfamily †Loxommatoidea Watson, 1929
               1 Family †Loxommatidae (Watson, 1917), nom. illeg. - loxommatids see Family Baphetidae Cope, 1875