Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
             Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
               Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
                 Order †Batrachosauria Efremov, 1946 see [unranked] Batrachosauria
                   Suborder †Anthracosauria Säve-Söderbergh, 1934 see Order Anthracosauria Säve-Söderbergh, 1934
                     Family †Pholidogasteridae Watson, 1917, nom. illeg.