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 Arborophila Hodgson, 1837
                 Arborophila charltonii (Eyton, 1845) - chestnut-necklaced hill partridge
                   Arborophila charltonii tonkinensis (Delacour, 1927)