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 Larinae Vigors, 1825 - gulls
             1 Genus Leucophaeus Bruch, 1853 [monotypic]
             2 Genus Larus Linnaeus, 1758
             3 Genus Pagophila Kaup, 1829 [monotypic]
             4 Genus Rhodostethia MacGillivray, 1842 [monotypic]
             5 Genus Xema Leach, 1819 [monotypic]
             6 Genus Creagrus Bonaparte, 1854 [monotypic]
             7 Genus Rissa Stephens, 1826