Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
       Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
         Order †Anthracosauria Säve-Söderbergh, 1934
         Order †Ichthyostegalia (Save-Soderbergh, 1932) see Superclass Tetrapoda Goodrich, 1930
         Order †Temnospondyli Zittel, 1888 - temnospondyls