Neornithes Gadow, 1893 - living birds
Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
   Neornithes Gadow, 1893 - living birds
  Count: [s] 23o;193f;2136g;9595s;8ss; ‡1f;26g;131s
     Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
    Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
       Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
      Count: [s] 23o;187f;2121g;9539s; ‡1f;26g;128s
         Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
        Count: [*†*] 2o;8f;129g;444s;809ss; ‡3g;8s;6ss
           Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
          Count: [*†*] 2o;8f;129g;444s;809ss; ‡3g;8s;6ss
             [Order] Anseriformes Wagler, 1831 - waterfowl and screamers
            Count: [*†*] 3f;50g;157s;127ss; ‡2g;5s;3ss
               Family Anhimidae Stejneger, 1885 - screamers
              Count: [*] 2g;3s
                 Genus Chauna Illiger, 1811
                Count: [*] 2s
                   Chauna torquata (Oken, 1816) - southern screamer
                  Count: -