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 Ciconiiformes Bonaparte, 1854
                   Family Ardeidae Leach, 1820 - herons, bitterns and egrets
                     Genus Casmerodius Gloger, 1842 see Genus Ardea Linnaeus, 1758
                       Casmerodius albus (C. Linnaeus, 1758) - great egret see Ardea alba Linnaeus, 1758