Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Palaeognathae Pycraft, 1900 see Cohort Palaeognathae Pycraft, 1900
         Order Apterygiformes Haeckel, 1866
           Family Apterygidae Gray, 1840 - kiwis
             Genus Apteryx Shaw, 1813
               1 Apteryx australis Shaw, 1813 - brown kiwi
               2 Apteryx owenii Gould, 1847 - little spotted kiwi
               3 Apteryx haastii Potts, 1872 - great spotted kiwi