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
             1 Superclass Agnatha Haeckel, 1895 see Class Agnatha Cope, 1889
             2 Superclass Pisces Linnaeus, 1758 - fishes
             3 Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
             4 Class Reptilia Linnaeus, 1758 - reptiles
             5 Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
             6 Class Mammalia Linnaeus, 1758 - mammals