Kingdom [Animalia] Linnaeus, 1758 - animals
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Vertebrata Cuvier, 1812 - vertebrates
       Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
         Subclass †Lepospondyli Zittel, 1888 see Superorder Lepospondyli Zittel, 1887
           1 Order †Aistopoda (Miall, 1875) see Order Aïstopoda
           2 Order †Nectridea Miall, 1875
           3 Order †Microsauria Dawson, 1863
           4 Order †Lysorophia