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 Xenoperdix Dinesen, Lehmberg, Svendsen, Hansen & Fjeldså, 1994 [monotypic]
                 Xenoperdix udzungwensis Dinesen, Lehmberg, Svendsen, Hansen & Fjeldså, 1994 - Udzungwa forest partridge