Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
       [Order] Galliformes Temminck, 1820 - fowl
         phasianoids see Superfamily Phasianoidea Vigors, 1825
           Family Phasianidae Vigors, 1825 - turkeys, grouse, pheasants, partridges
             Subfamily Perdicinae Bonaparte, 1838
               Genus Coturnix Bonnaterre, 1790
                 Coturnix ypsilophora Bosc, 1792 - brown quail
                   1 Coturnix ypsilophora raaltenii (Müller, 1842)
                   2 Coturnix ypsilophora pallidior (Hartert, 1897)
                   3 Coturnix ypsilophora saturatior (Hartert, 1930)
                   4 Coturnix ypsilophora dogwa (Mayr & Rand, 1935)
                   5 Coturnix ypsilophora plumbea (Salvadori, 1894)
                   6 Coturnix ypsilophora monticola (Mayr & Rand, 1935)
                   7 Coturnix ypsilophora mafulu (Mayr & Rand, 1935)
                   8 Coturnix ypsilophora australis (Latham, 1801) - brown quail
                   9 Coturnix ypsilophora ypsilophora Bosc, 1792 - swamp quail