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 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
                 Sterna acuticauda Gray, 1831 - black-bellied tern
                 Sterna albifrons Pallas, 1764 - little tern
                 Sterna albostriata (G.R. Gray, 1845)
                 Sterna aleutica Baird, 1869 - Aleutian tern
                 Sterna anaethetus Scopoli, 1786 - bridled tern
                 Sterna antillarum (Lesson, 1847) - least tern
                 Sterna aurantia Gray, 1831 - river tern
                 Sterna balaenarum (Strickland, 1852) - Damara tern
                 Sterna bengalensis Lesson, 1831 - lesser crested-tern
                 Sterna bergii Lichtenstein, 1823 - great crested-tern
                 Sterna bernsteini Schlegel, 1863 - Chinese crested-tern
                 Sterna caspia Pallas, 1770 - Caspian tern
                 Sterna dougallii Montagu, 1813 - roseate tern
                 Sterna elegans Gambel, 1849 - elegant tern
                 Sterna forsteri Nuttall, 1834 - Forster's tern
                 Sterna fuscata Linnaeus, 1766 - sooty tern
                 Sterna hirundinacea Lesson, 1831 - South American tern
                 Sterna hirundo Linnaeus, 1758 - common tern
                 Sterna lorata Philippi & Landbeck, 1861 - Peruvian tern
                 Sterna lunata Peale, 1848 - grey-backed tern
                 Sterna maximus Boddaert, 1783 see Sterna maxima Boddaert, 1783
                 Sterna nereis (Gould, 1843) - fairy tern
                 Sterna paradisaea Pontoppidan, 1763 - Arctic tern
                 Sterna repressa Hartert, 1916 - white-cheeked tern
                 Sterna sandvicensis Latham, 1787 - sandwich tern
                 Sterna saundersi Hume, 1877 - Saunders's tern
                 Sterna striata Gmelin, 1789 - white-fronted tern
                 Sterna sumatrana Raffles, 1822 - black-naped tern
                 Sterna superciliaris Vieillot, 1819 - yellow-billed tern
                 Sterna trudeaui Audubon, 1838 - snowy-crowned tern
                 Sterna virgata Cabanis, 1875 - Kerguelen tern
                 Sterna vittata Gmelin, 1789 - Antarctic tern