Kingdom [Animalia] Linnaeus, 1758 - animals
Count: -
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
  Count: -
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
    Count: -
       Subdivision Bilateralia
      Count: -
         Phylum Chordata Bateson, 1885 - chordates
        Count: -
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
          Count: -
             Class Mammalia Linnaeus, 1758 - mammals
            Count: -
               1 Subclass Prototheria Gill, 1872 - monotremes
              Count: [s] 1o;2f;3g;6s
               2 Subclass Metatheria Huxley, 1880 see Infraclass Metatheria Huxley, 1880
              Count: 1o;9f;68g;130s;33ss; ‡1g;1s;1ss
               3 Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
              Count: -