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 Gallinula Brisson, 1760
             Gallinula tenebrosa Gould, 1846 - dusky moorhen
               1 Gallinula tenebrosa frontata Wallace, 1863
               2 Gallinula tenebrosa neumanni Hartert, 1930
               3 Gallinula tenebrosa tenebrosa Gould, 1846