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 Ixobrychus Billberg, 1828
                       1 Ixobrychus exilis (Gmelin, 1789) - least bittern
                       2 Ixobrychus minutus (Linnaeus, 1766) - little bittern
                       3 Ixobrychus sinensis (Gmelin, 1789) - yellow bittern
                       4 Ixobrychus involucris (Vieillot, 1823) - stripe-backed bittern
                       5 Ixobrychus eurhythmus (Swinhoe, 1873) - Schrenk's bittern
                       6 Ixobrychus cinnamomeus (Gmelin, 1789) - cinnamon bittern
                       7 Ixobrychus sturmii (Wagler, 1827) - dwarf bittern
                       8 Ixobrychus flavicollis (Latham, 1790) see Dupetor flavicollis (Latham, 1790)