Phylum Chordata Bateson, 1885 - chordates
Count: -
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
  Count: -
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
    Count: -
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
      Count: -
         Order Podicipediformes Fürbringer, 1888
        Count: [*] 1f;6g;20s; ‡2s
           Family Podicipedidae Bonaparte, 1832 - grebes
          Count: [*] 6g;20s; ‡2s
             Genus Poliocephalus Selby, 1840
            Count: [*] 2s
               Poliocephalus rufopectus (Gray, 1843) - New Zealand grebe
              Count: -