Kingdom [Animalia] Linnaeus, 1758 - animals
Count: 2p;9c;33o; †49o;1g
   Phylum Chordata Bateson, 1885 - chordates
  Count: 7c;33o; †49o;1g
     Subphylum Vertebrata Cuvier, 1812 - vertebrates
    Count: 7c;33o; †49o;1g
       Class Mammalia Linnaeus, 1758 - mammals
      Count: 20o; †18o
         Subclass Prototheria Gill, 1872 - monotremes
        Count: 1o; †3o
           Infraclass Allotheria (Marsh, 1880)
          Count: 1o; †1o
             Order Monotremata Bonaparte, 1837 - monotremes
            Count: -