living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         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
                 Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
                   Order Galliformes Temminck, 1820 - fowl
                     Family Phasianidae Vigors, 1825 - turkeys, grouse, pheasants, partridges
                       1 Genus Lophortyx Bonaparte, 1838 see Genus Callipepla Wagler, 1832
                       2 Genus Colinus Goldfuss, 1820
                       3 Genus Francolinus Stephens, 1819
                       4 Genus Coturnix Bonnaterre, 1790
                       5 Genus Gallus Brisson, 1760
                       6 Genus Phasianus Linnaeus, 1758
                       7 Genus Pavo Linnaeus, 1758
                       8 Subfamily Odontophorinae Gould, 1844 - American quail
                       9 Subfamily Phasianinae Vigors, 1825 - pheasants and partridges