Order Galliformes Temminck, 1820 - fowl
   Family Phasianidae Vigors, 1825 - turkeys, grouse, pheasants, partridges
     Subfamily Odontophorinae Gould, 1844 - American quail
       1 Genus †Nanortyx Weigel, 1963
       2 Genus †Miortyx Miller, 1944
       3 Genus Cyrtonyx Gould, 1844
       4 Genus Lophortyx Bonaparte, 1838 see Genus Callipepla Wagler, 1832
       5 Genus Colinus Goldfuss, 1820
       6 Genus †Neortyx Holman, 1961