[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
     Order Charadriformes see Order Charadriiformes Huxley, 1867
       Family Laridae Vigors, 1825 - gulls, terns and skimmers
         1 Genus Chlidonias Rafinesque, 1822
         2 Genus Larus Linnaeus, 1758
         3 Genus Pagophila Kaup, 1829
         4 Genus Rhodostethia MacGillivray, 1842
         5 Genus Rissa Stephens, 1826
         6 Genus Sterna Linnaeus, 1758