Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Ciconiiformes Bonaparte, 1854
           Family Ardeidae Leach, 1820 - herons, bitterns and egrets
             01 Genus Syrigma Ridgway, 1878
             02 Genus Pilherodius Reichenbach, 1850
             03 Genus Ardea Linnaeus, 1758
             04 Genus Egretta Forster, 1817
             05 Genus Bubulcus Bonaparte, 1855
             06 Genus Ardeola Boie, 1822
             07 Genus Butorides Blyth, 1852
             08 Genus Agamia Reichenbach, 1853
             09 Genus Nyctinassa see Genus Nyctanassa Stejneger, 1887
             10 Genus Nycticorax Forster, 1817
             11 Genus Gorsachius Bonaparte, 1855
             12 Genus Cochlearius Brisson, 1760
             13 Genus Tigrisoma Swainson, 1827
             14 Genus Zonerodius Salvadori, 1882
             15 Genus Tigriornis Sharpe, 1895
             16 Genus Zebrilus Bonaparte, 1855
             17 Genus Ixobrychus Billberg, 1828
             18 Genus Botaurus Stephens, 1819