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
         Family Cracidae Vigors, 1825 - chachalacas, curassows, guans
           Subfamily Penelopinae Bonaparte, 1831 - guans
             Genus Penelope Merrem, 1786
               Penelope montagnii (Bonaparte, 1856) - Andean guan
                 1 Penelope montagnii montagniiᵀ (Bonaparte, 1856)
                 2 Penelope montagnii atrogularis Hellmayr & Conover, 1932
                 3 Penelope montagnii brooki Chubb, 1917
                 4 Penelope montagnii plumosa Berlepsch & Stolzmann, 1902
                 5 Penelope montagnii sclateri Gray, 1860