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 Amaurornithini see Family Rallidae Vigors, 1825
                         1 Genus Poliolimnas Sharpe, 1893 see Genus Porzana Vieillot, 1816
                         2 Genus Porphyriops Pucheran, 1845 see Genus Gallinula Brisson, 1760
                         3 Genus Tribonyx DuBus see Genus Gallinula Brisson, 1760
                         4 Genus Amaurornis Reichenbach, 1853
                         5 Genus Gallicrex Blyth, 1852