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
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Gruiformes Bonaparte, 1854
                   Family Rallidae Vigors, 1825 - rails, waterhens, coots
                     Subfamily Rallinae Vigors, 1825 - rails see Family Rallidae Vigors, 1825
                       Tribe Gallinulini see Family Rallidae Vigors, 1825
                         Genus Notornis Owen, 1848 see Genus Porphyrio Brisson, 1760
                           Notornis mantelli Owen, 1848 see Porphyrio mantelli (Owen, 1848)
                             1 ‡Notornis mantelli mantelliᵀ Owen, 1848 see Porphyrio mantelli mantelli (Owen, 1848)
                             2 Notornis mantelli hochstetteri (A.B. Meyer, 1883) see Porphyrio mantelli hochstetteri