Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
   Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
     Parvclass Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
       Superorder Anserimorphae see Order Anseriformes Wagler, 1831
         Order Anseriformes Wagler, 1831 - waterfowl and screamers
           Infraorder Anhimides see Suborder Anhimae Wetmore & Miller, 1926
             1 Superfamily Anhimoidea Stejneger, 1885 see Suborder Anhimae Wetmore & Miller, 1926
             2 Superfamily Anseranatoidea Sclater, 1880