Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
         Family Laridae Vigors, 1825 - gulls, terns and skimmers
           Subfamily Sterninae Bonaparte, 1838 - terns
             1 Genus Sterna Linnaeus, 1758
             2 Genus Chlidonias Rafinesque, 1822
             3 Genus Phaetusa Wagler, 1832 [monotypic]
             4 Genus Anous Stephens, 1826
             5 Genus Procelsterna Lafresnaye, 1842
             6 Genus Gygis Wagler, 1832 [monotypic]
             7 Genus Larosterna Blyth, 1852 [monotypic]