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 Tetraogallus Gray, 1832
                 Tetraogallus himalayensis Gray, 1843 - Himalayan snowcock
                   1 Tetraogallus himalayensis saurensis Potapov, 1993
                   2 Tetraogallus himalayensis sewerzowi Zarudny, 1910
                   3 Tetraogallus himalayensis incognitus Zarudny, 1911
                   4 Tetraogallus himalayensis himalayensisᵀ (Gray, 1843)
                   5 Tetraogallus himalayensis grombczewskii Bianchi, 1898
                   6 Tetraogallus himalayensis koslowi Bianchi, 1898