Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Gruiformes Bonaparte, 1854
         Family Rallidae Vigors, 1825 - rails, waterhens, coots
           Genus Amaurornis Reichenbach, 1853
             Amaurornis olivacea (Meyen, 1834)
               1.1 Amaurornis olivacea olivacea (Meyen, 1834)
               1.2 Amaurornis olivacea magnirostris Lambert, 1998
               2 Amaurornis olivacea moluccana (Wallace, 1865)
               3 Amaurornis olivacea nigrifrons (Hartert, 1926)
               4 Amaurornis olivacea ultima Mayr, 1949
               5 Amaurornis olivacea ruficrissa (Gould, 1869)