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] Anseriformes Wagler, 1831 - waterfowl and screamers
         Family Anatidae Vigors, 1825 - ducks, geese, swans
           1 Subfamily Dendrocygninae Reichenbach - tree-ducks
           2 Subfamily Anserinae Vigors, 1825 - geese
           3 Subfamily Stictonettinae Boetticher, 1950 [monotypic]
           4 Subfamily Tadorninae Reichenbach - sheldrakes
           5 Subfamily Anatinae Vigors, 1825 - pond ducks