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 Odontophoridae (Gould, 1844) - New World quails see Subfamily Odontophorinae Gould, 1844
             1 Genus Dendrortyx Gould, 1844
             2 Genus Oreortyx Baird, 1858 [monotypic]
             3 Genus Callipepla Wagler, 1832
             4 Genus Philortyx Gould, 1846 [monotypic]
             5 Genus Colinus Goldfuss, 1820
             6 Genus Odontophorus Vieillot, 1816
             7 Genus Dactylortyx Ogilvie-Grant, 1893 [monotypic]
             8 Genus Cyrtonyx Gould, 1844
             9 Genus Rhynchortyx Ogilvie-Grant, 1893 [monotypic]