Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Passerae see Superorder Passerimorphae Sibley et al., 1988
         Superorder Passerimorphae Sibley et al., 1988
           Order Ciconiiformes Bonaparte, 1854
             Suborder Charadrii Huxley, 1867 - shorebirds see Order Charadriiformes Huxley, 1867
               Infraorder Charadriides Huxley, 1867
                 Parvorder Charadriida see Superfamily Charadrioidea Vigors, 1825
                   Superfamily Laroidea Vigors, 1825
                     Family Laridae Vigors, 1825 - gulls, terns and skimmers
                       Subfamily Larinae Vigors, 1825 - gulls
                         Tribe Larini Vigors, 1825 - gulls see Subfamily Larinae Vigors, 1825
                           Genus Larus Linnaeus, 1758
                             01 Larus scoresbii Traill, 1823 - dolphin gull see Leucophaeus scoresbii (Traill, 1823)
                             02 Larus pacificus Latham, 1802 - Pacific gull
                             03 Larus belcheri Vigors, 1829 - band-tailed gull
                             04 Larus atlanticus Olrog, 1958 - Olrog's gull
                             05 Larus crassirostris Vieillot, 1818 - black-tailed gull
                             06 Larus modestus Tschudi, 1843 - grey gull
                             07 Larus heermanni Cassin, 1852 - Heermann's gull
                             08 Larus leucophthalmus Temminck, 1825 - white-eyed gull
                             09 Larus hemprichii Bruch, 1853 - sooty gull
                             10 Larus canus Linnaeus, 1758 - mew gull
                             11 Larus audouinii Payraudeau, 1826 - Audouin's gull
                             12 Larus delawarensis Ord, 1815 - ring-billed gull
                             13 Larus californicus Lawrence, 1854 - California gull
                             14 Larus marinus Linnaeus, 1758 - great black-backed gull
                             15 Larus dominicanus Lichtenstein, 1823 - kelp gull
                             16 Larus glaucescens Naumann, 1840 - glaucous-winged gull
                             17 Larus occidentalis Audubon, 1839 - western gull
                             18 Larus livens Dwight, 1919 - yellow-footed gull
                             19 Larus hyperboreus Gunnerus, 1767 - glaucous gull
                             20 Larus glaucoides Meyer, 1822 - Iceland gull
                             21 Larus argentatus Pontoppidan, 1763 - herring gull
                             22 Larus armenicus Buturlin, 1934 - Armenian gull
                             23 Larus schistisagus Stejneger, 1884 - slaty-backed gull
                             24 Larus cachinnans Pallas, 1811 - yellow-legged gull
                             25 Larus fuscus Linnaeus, 1758 - lesser black-backed gull
                             26 Larus ichthyaetus Pallas, 1773 - great black-headed gull
                             27 Larus brunnicephalus Jerdon, 1840 - brown-headed gull
                             28 Larus cirrocephalus Vieillot, 1818 - grey-headed gull
                             29 Larus hartlaubii Bruch, 1853 - king gull
                             30 Larus novaehollandiae Stephens, 1826 - silver gull
                             31 Larus scopulinus Forster, 1844 - red-billed gull see Larus novaehollandiae scopulinus Forster, 1844
                             32 Larus bulleri Hutton, 1871 - black-billed gull
                             33 Larus maculipennis Lichtenstein, 1823 - brown-hooded gull
                             34 Larus ridibundus Linnaeus, 1766 - common black-headed gull
                             35 Larus genei Breme, 1839 - slender-billed gull
                             36 Larus philadelphia (Ord, 1815) - Bonaparte's gull
                             37 Larus saundersi (Swinhoe, 1871) - Saunders's gull
                             38 Larus serranus Tschudi, 1844 - Andean gull
                             39 Larus melanocephalus Temminck, 1820 - Mediterranean gull
                             40 Larus relictus Lönnberg, 1931 - relict gull
                             41 Larus fuliginosus Gould, 1841 - lava gull
                             42 Larus atricilla Linnaeus, 1758 - laughing gull
                             43 Larus pipixcan Wagler, 1831 - Franklin's gull
                             44 Larus minutus Pallas, 1776 - little gull