Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
               Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
                 Order Anseriformes Wagler, 1831 - waterfowl and screamers
                   Family Anatidae Vigors, 1825 - ducks, geese, swans
                     Subfamily Anatinae Vigors, 1825 - pond ducks
                       Tribe Cairinini del Hoyo et al., 2014 see Subfamily Anatinae Vigors, 1825
                         Genus Cairina Fleming, 1822
                           1 Cairina scutulata (S. Müller, 1842) - white-winged duck see Asarcornis scutulata (Müller, 1842)
                           2 Cairina moschata (Linnaeus, 1758) - muscovy duck
                           3 Cairina hartlaubi (Cassin, 1859) see Pteronetta hartlaubii (Cassin, 1859)