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 Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
                   Suborder Lari Sharpe, 1891 - gulls and allies
                     Family Sternidae Bonaparte, 1838 see Subfamily Sterninae Bonaparte, 1838
                       Genus Sterna Linnaeus, 1758
                         01 Sterna hirundo Linnaeus, 1758 - common tern
                         02 Sterna paradisaea Pontoppidan, 1763 - Arctic tern
                         03 Sterna vittata Gmelin, 1789 - Antarctic tern
                         04 Sterna forsteri Nuttall, 1834 - Forster's tern
                         05 Sterna aleutica Baird, 1869 - Aleutian tern
                         06 Sterna acuticauda Gray, 1831 - black-bellied tern
                         07 Sterna aurantia Gray, 1831 - river tern
                         08 Sterna fuscata Linnaeus, 1766 - sooty tern
                         09 Sterna anaethetus Scopoli, 1786 - bridled tern
                         10 Sterna albifrons Pallas, 1764 - little tern
                         11 Sterna superciliaris Vieillot, 1819 - yellow-billed tern
                         12 Sterna lorata Philippi & Landbeck, 1861 - Peruvian tern
                         13 Sterna nereis (Gould, 1843) - fairy tern
                         14 Sterna balaenarum (Strickland, 1852) - Damara tern
                         15 Sterna sandvicensis Latham, 1787 - sandwich tern
                         16 Sterna maxima Boddaert, 1783 - royal tern
                         17 Sterna bengalensis Lesson, 1831 - lesser crested-tern
                         18 Sterna bergii Lichtenstein, 1823 - great crested-tern