| Nominal Species (n = 202) | Present allocation (n = 88) | Ref. |
|---|---|---|
| Sterna acuticauda Gray, 1831 | Sterna acuticauda | 7816 |
| Sterna acuticauda melanogaster Temminck, 1827 | Sterna acuticauda | 7816 |
| Gygis alba leucopes Holyoak & Thibault, 1976 | Gygis alba | 7816 |
| Sterna albifrons Pallas, 1764 | Sternula albifrons | 7816 |
| Sternula albifrons albifrons Pallas, 1764 | Sternula albifrons | 7816 |
| Sternula albifrons guineae Bannerman, 1931 | Sternula albifrons | 7816 |
| Sternula albifrons innominata Zarudny & Loudon, 1902 | Sternula albifrons | 7816 |
| Sternula albifrons sinensis Gmelin, 1789 | Sternula albifrons | 7816 |
| Procelsterna albivitta Bonaparte, 1856 | Procelsterna albivitta | 7816 |
| Procelsterna albivitta albivitta Bonaparte, 1856 | Procelsterna albivitta | 7816 |
| Procelsterna albivitta imitatrix Mathews, 1912 | Procelsterna albivitta | 7816 |
| Procelsterna albivitta skottsbergii Lönnberg, 1921 | Procelsterna albivitta | 7816 |
| Sterna aleutica Baird, 1869 | Onychoprion aleuticus | 7816 |
| Onychoprion aleuticus Baird, 1869 | Onychoprion aleuticus | 7816 |
| Onychoprion anaethetus Scopoli, 1786 | Onychoprion anaethetus | 7816 |
| Sterna anaethetus Scopoli, 1786 | Onychoprion anaethetus | 7816 |
| Sternula antillarum athalassos Burleigh & Lowery, 1942 | Sternula antillarum | 7816 |
| Sternula antillarum browni Mearns, 1916 | Sternula antillarum | 7816 |
| Larus argentatus Pontoppidan, 1763 | Larus argentatus | 7816 |
| Larus argentatus argentatus Pontoppidan, 1763 | Larus argentatus | 7816 |
| Larus argentatus argenteus Brehm, 1822 | Larus argentatus | 7816 |
| Larus armenicus Buturlin, 1934 | Larus armenicus | 7816 |
| Larus atlanticus Olrog, 1958 | Larus atlanticus | 7816 |
| Larus atricilla Linnaeus, 1758 | Larus atricilla | 7816 |
| Leucophaeus atricilla (Linnaeus, 1758) | Larus atricilla | 3477 |
| Larus atricilla atricilla Linnaeus, 1758 | Larus atricilla | 7816 |
| Larus atricilla megalopterus Bruch, 1855 | Larus atricilla | 7816 |
| Larus audouinii Payraudeau, 1826 | Larus audouinii | 7816 |
| Sterna aurantia Gray, 1831 | Sterna aurantia | 7816 |
| Larus belcheri Vigors, 1829 | Larus belcheri | 7816 |
| Sterna bengalensis Lesson, 1831 | Thalasseus bengalensis | 7816 |
| Thalasseus bengalensis Lesson, 1831 | Thalasseus bengalensis | 7816 |
| Sterna bergii Lichtenstein, 1823 | Sterna bergii | 3477 |
| Thalasseus bergii Lichtenstein, 1823 | Sterna bergii | 7816 |
| Thalasseus bergii bergii Lichtenstein, 1823 | Sterna bergii | 7816 |
| Thalasseus bergii cristatus Stephens, 1826 | Sterna bergii | 7816 |
| Thalasseus bergii enigmus Clancey, 1979 | Sterna bergii | 7816 |
| Thalasseus bergii thalassinus Stresemann, 1914 | Sterna bergii | 7816 |
| Thalasseus bergii velox Cretzschmar, 1827 | Sterna bergii | 7816 |
| Sterna bernsteini Schlegel, 1863 | Sterna bernsteini | 7816 |
| Larus brunnicephalus Jerdon, 1840 | Larus brunnicephalus | 7816 |
| Larus bulleri Hutton, 1871 | Larus bulleri | 7816 |
| Larus cachinnans Pallas, 1811 | Larus cachinnans | 7816 |
| Larus cachinnans cachinnans Pallas, 1811 | Larus cachinnans | 7816 |
| Larus cachinnans ponticus Pallas, 1811 | Larus cachinnans | 7816 |
| Larus californicus Lawrence, 1854 | Larus californicus | 7816 |
| Larus californicus albertaensis Jehl, 1987 | Larus californicus | 7816 |
| Larus californicus californicus Lawrence, 1854 | Larus californicus | 7816 |
| Gygis candida Gmelin, 1789 | Gygis alba | 89295 |
| Larus canus Linnaeus, 1758 | Larus canus | 7816 |
| Larus canus canus Linnaeus, 1758 | Larus canus | 7816 |
| Larus canus heinei Homeyer, 1853 | Larus canus | 7816 |
| Hydroprogne caspia Pallas, 1770 | Hydroprogne caspia | 7816 |
| Sterna caspia Pallas, 1770 | Hydroprogne caspia | 7816 |
| Procelsterna cerulea albivitta Bonaparte, 1856 | Procelsterna albivitta | 89925 |
| Procelsterna cerulea albivittata Bonaparte, 1856 | Procelsterna albivitta | 89925 |
| Procelsterna cerulea murphyi Mougin & de Naurois, 1981 | Procelsterna cerulea | 7816 |
| Procelsterna cerulea nebouxi Mathews, 1912 | Procelsterna cerulea | 7816 |
| Procelsterna cerulea saxatilis Fisher, 1903 | Procelsterna cerulea | 7816 |
| Larus cirrocephalus Vieillot, 1818 | Larus cirrocephalus | 7816 |
| Larus cirrocephalus cirrocephalus Vieillot, 1818 | Larus cirrocephalus | 7816 |
| Larus cirrocephalus poiocephalus Swainson, 1837 | Larus cirrocephalus | 7816 |
| Larus crassirostris Vieillot, 1818 | Larus crassirostris | 7816 |
| Larus cucullatus Linnaeus, 1758 | Larus cucullatus | 3477 |
| Larus delawarensis Ord, 1815 | Larus delawarensis | 7816 |
| Larus dominicanus Lichtenstein, 1823 | Larus dominicanus | 7816 |
| Larus dominicanus austrinus Fleming, 1924 | Larus dominicanus | 7816 |
| Larus dominicanus dominicanus Lichtenstein, 1823 | Larus dominicanus | 7816 |
| Larus dominicanus judithae Jiguet, 2002 | Larus dominicanus | 7816 |
| Larus dominicanus melisandae Jiguet, 2002 | Larus dominicanus | 7816 |
| Larus dominicanus vetula Bruch, 1853 | Larus dominicanus | 7816 |
| Sterna dougallii Montagu, 1813 | Sterna dougallii | 7816 |
| Sterna dougallii arideensis Mathews, 1912 | Sterna dougallii | 7816 |
| Sterna dougallii bangsi Mathews, 1912 | Sterna dougallii | 7816 |
| Sterna dougallii dougallii Montagu, 1813 | Sterna dougallii | 7816 |
| Sterna dougallii gracilis Gould, 1845 | Sterna dougallii | 7816 |
| Sterna elegans Gambel, 1849 | Thalasseus elegans | 7816 |
| Thalasseus elegans Gambel, 1849 | Thalasseus elegans | 7816 |
| Thalasseus elegans ichlus Mathews, 1937 | Thalasseus elegans | 7816 |
| Sterna eurygnatha Saunders, 1876 | Thalasseus eurygnatha | 7816 |
| Thalasseus eurygnatha Saunders, 1876 | Thalasseus eurygnatha | 7816 |
| Sterna forsteri Nuttall, 1834 | Sterna forsteri | 7816 |
| Larus fuliginosus Gould, 1841 | Larus fuliginosus | 7816 |
| Sterna fuscata Linnaeus, 1766 | Onychoprion fuscatus | 7816 |
| Onychoprion fuscatus Linnaeus, 1766 | Onychoprion fuscatus | 7816 |
| Onychoprion fuscatus fuscatus Linnaeus, 1766 | Onychoprion fuscatus | 7816 |
| Onychoprion fuscatus infuscatus Lichtenstein, 1823 | Onychoprion fuscatus | 7816 |
| Onychoprion fuscatus luctuosus Philippi & Landbeck, 1866 | Onychoprion fuscatus | 7816 |
| Onychoprion fuscatus nubilosus Sparrman, 1788 | Onychoprion fuscatus | 7816 |
| Onychoprion fuscatus oahuensis Bloxam, 1826 | Onychoprion fuscatus | 7816 |
| Onychoprion fuscatus serratus Wagler, 1830 | Onychoprion fuscatus | 7816 |
| Larus fuscus Linnaeus, 1758 | Larus fuscus | 7816 |
| Larus fuscus fuscus Linnaeus, 1758 | Larus fuscus | 7816 |
| Larus fuscus graellsii Brehm, 1857 | Larus fuscus | 7816 |
| Larus fuscus intermedius Schiøler, 1922 | Larus fuscus | 7816 |
| Larus genei Brème, 1839 | Larus genei | 3125 |
| Larus glaucescens Naumann, 1840 | Larus glaucescens | 7816 |
| Larus glaucoides Meyer, 1822 | Larus glaucoides | 7816 |
| Larus glaucoides glaucoides Meyer, 1822 | Larus glaucoides | 7816 |
| Larus glaucoides kumlieni Brewster, 1883 | Larus glaucoides | 7816 |
| Larus glaucoides thayeri Brooks, 1915 | Larus glaucoides thayeri | 356 |
| Larus hartlaubii Bruch, 1853 | Larus hartlaubii | 7816 |
| Larus heermanni Cassin, 1852 | Larus heermanni | 7816 |
| Sterna hirundinacea Lesson, 1831 | Sterna hirundinacea | 7816 |
| Sterna hirundo Linnaeus, 1758 | Sterna hirundo | 7816 |
| Sterna hirundo hirundo Linnaeus, 1758 | Sterna hirundo | 7816 |
| Sterna hirundo longipennis Nordmann, 1835 | Sterna hirundo | 7816 |
| Sterna hirundo minussensis Sushkin, 1925 | Sterna hirundo | 7816 |
| Sterna hirundo tibetana Saunders, 1876 | Sterna hirundo | 7816 |
| Larus hyperboreus Gunnerus, 1767 | Larus hyperboreus | 7816 |
| Larus hyperboreus barrovianus Ridgway, 1886 | Larus hyperboreus | 7816 |
| Larus hyperboreus hyperboreus Gunnerus, 1767 | Larus hyperboreus | 7816 |
| Larus hyperboreus leuceretes Schleep, 1819 | Larus hyperboreus | 7816 |
| Larus hyperboreus pallidissimus Portenko, 1939 | Larus hyperboreus | 7816 |
| Larus ichthyaetus Pallas, 1773 | Larus ichthyaetus | 7816 |
| Larus leucophthalmus Temminck, 1825 | Larus leucophthalmus | 7816 |
| Larus livens Dwight, 1919 | Larus livens | 7816 |
| Sterna lorata Philippi & Landbeck, 1861 | Sterna lorata | 7816 |
| Sternula lorata Philippi & Landbeck, 1861 | Sterna lorata | 3477 |
| Sterna lunata Peale, 1848 | Onychoprion lunatus | 7816 |
| Onychoprion lunatus Peale, 1848 | Onychoprion lunatus | 7816 |
| Larus maculipennis Lichtenstein, 1823 | Larus maculipennis | 7816 |
| Larus marinus Linnaeus, 1758 | Larus marinus | 7816 |
| Sterna maxima Boddaert, 1783 | Thalasseus maximus | 7816 |
| Thalasseus maximus Boddaert, 1783 | Thalasseus maximus | 7816 |
| Thalasseus maximus albididorsalis Hartert, 1921 | Thalasseus maximus | 7816 |
| Thalasseus maximus maximus Boddaert, 1783 | Thalasseus maximus | 7816 |
| Larus melanocephalus Temminck, 1820 | Larus melanocephalus | 7816 |
| Larus michahellis Naumann, 1840 | Larus michahellis | 3477 |
| Gygis microrhyncha Saunders, 1876 | Gygis microrhyncha | 7816 |
| Anous minutus Boie, 1844 | Anous minutus | 7816 |
| Hydrocoloeus minutus Pallas, 1776 | Hydrocoloeus minutus | 3477 |
| Larus minutus Pallas, 1776 | Hydrocoloeus minutus | 7816 |
| Anous minutus melanogenys Gray, 1846 | Anous minutus | 7816 |
| Anous minutus minutus Boie, 1844 | Anous minutus | 7816 |
| Anous minutus tenuirostris unspecified | Anous minutus tenuirostris | 356 |
| Larus modestus Tschudi, 1843 | Larus modestus | 7816 |
| Rynchops niger Linnaeus, 1758 | Rynchops niger | 3477 |
| Gelochelidon nilotica Gmelin, 1789 | Gelochelidon nilotica | 7816 |
| Sterna nilotica Gmelin, 1789 | Gelochelidon nilotica | 7816 |
| Gelochelidon nilotica affinis Horsfield, 1821 | Gelochelidon nilotica | 7816 |
| Gelochelidon nilotica aranea Wilson, 1814 | Gelochelidon nilotica | 7816 |
| Gelochelidon nilotica macrotarsa Gould, 1837 | Gelochelidon nilotica | 7816 |
| Gelochelidon nilotica nilotica Gmelin, 1789 | Gelochelidon nilotica | 7816 |
| Larus novaehollandiae Stephens, 1826 | Larus novaehollandiae | 7816 |
| Larus novaehollandiae gunni Mathews, 1912 | Larus novaehollandiae | 7816 |
| Larus novaehollandiae novaehollandiae Stephens, 1826 | Larus novaehollandiae | 7816 |
| Larus occidentalis Audubon, 1839 | Larus occidentalis | 7816 |
| Larus occidentalis occidentalis Audubon, 1839 | Larus occidentalis | 7816 |
| Larus occidentalis wymani Dickey & Van Rossem, 1925 | Larus occidentalis | 7816 |
| Larus pacificus Latham, 1802 | Larus pacificus | 75097 |
| Larus pacificus georgii King, 1826 | Larus pacificus | 7816 |
| Larus pacificus pacificus Latham, 1802 | Larus pacificus | 7816 |
| Sterna paradisaea Pontoppidan, 1763 | Sterna paradisaea | 7816 |
| Chroicocephalus philadelphia (Ord, 1815) | Larus philadelphia | 3477 |
| Larus pipixcan Wagler, 1831 | Larus pipixcan | 75097 |
| Larus relictus Lonnberg, 1931 | Larus relictus | 7816 |
| Sterna repressa Hartert, 1916 | Sterna repressa | 7816 |
| Larus ridibundus Linnaeus, 1766 | Larus ridibundus | 7816 |
| Larus ridibundus ridibundus Linnaeus, 1766 | Larus ridibundus | 7816 |
| Larus ridibundus sibiricus Buturlin, 1911 | Larus ridibundus | 7816 |
| Larus sabini Sabine, 1819 | Xema sabini | 3477 |
| Xema sabini palaearctica Stegmann, 1934 | Xema sabini | 7816 |
| Xema sabini tschuktschorum Portenko, 1939 | Xema sabini | 7816 |
| Xema sabini woznesenskii Portenko, 1939 | Xema sabini | 7816 |
| Sterna sandvicensis Latham, 1787 | Sterna sandvicensis | 3477 |
| Sterna sandvicensis acuflavida Cabot, 1847 | Sterna sandvicensis | 538 |
| Sterna sandvicensis eurygnatha Saunders, 1876 | Thalasseus eurygnatha | 7816 |
| Sterna sandvicensis sandvicensis Latham, 1787 | Sterna sandvicensis | 538 |
| Sterna saundersi Hume, 1877 | Sternula saundersi | 7816 |
| Sternula saundersi Hume, 1877 | Sternula saundersi | 7816 |
| Larus schistisagus Stejneger, 1884 | Larus schistisagus | 7816 |
| Larus schistisagus ochotensis Portenko, 1963 | Larus schistisagus | 7816 |
| Larus schistisagus schistisagus Stejneger, 1884 | Larus schistisagus | 7816 |
| Larus scopulinus Forster, 1844 | Larus scopulinus | 7816 |
| Larus scoresbii Traill, 1823 | Leucophaeus scoresbii | 3477 |
| Leucophaeus scoresbii Traill, 1823 | Leucophaeus scoresbii | 3477 |
| Larus serranus Tschudi, 1844 | Larus serranus | 7816 |
| Anous stolidus galapagensis Sharpe, 1879 | Anous stolidus | 7816 |
| Anous stolidus ridgwayi Anthony, 1898 | Anous stolidus | 7816 |
| Sterna striata Gmelin, 1789 | Sterna striata | 3125 |
| Sterna striata aucklandorna Mathews, 1929 | Sterna striata | 7816 |
| Sterna striata incerta Mathews, 1912 | Sterna striata | 7816 |
| Sterna striata striata Gmelin, 1789 | Sterna striata | 7816 |
| Sterna sumatrana Raffles, 1822 | Sterna sumatrana | 7816 |
| Sterna sumatrana mathewsi Stresemann, 1914 | Sterna sumatrana | 7816 |
| Sterna sumatrana sumatrana Raffles, 1822 | Sterna sumatrana | 7816 |
| Sterna superciliaris Vieillot, 1819 | Sternula superciliaris | 7816 |
| Sternula superciliaris Vieillot, 1819 | Sternula superciliaris | 7816 |
| Anous tenuirostris melanops Gould, 1846 | Anous tenuirostris | 7816 |
| Larus thayeri Brooks, 1915 | Larus thayeri | 7816 |
| Rissa tridactyla pollicaris Ridgway, 1884 | Rissa tridactyla | 7816 |
| Sterna trudeaui Audubon, 1838 | Sterna trudeaui | 7816 |
| Sterna virgata Cabanis, 1875 | Sterna virgata | 7816 |
| Sterna virgata mercuri Voisin, 1971 | Sterna virgata | 7816 |
| Sterna virgata virgata Cabanis, 1875 | Sterna virgata | 7816 |
| Sterna vittata Gmelin, 1789 | Sterna vittata | 3125 |
| Sterna vittata bethunei Buller, 1896 | Sterna vittata | 7816 |
| Sterna vittata gaini Murphy, 1938 | Sterna vittata | 7816 |
| Sterna vittata georgiae Reichenow, 1904 | Sterna vittata | 7816 |
| Sterna vittata tristanensis Murphy, 1938 | Sterna vittata | 7816 |
| Sterna vittata vittata Gmelin, 1789 | Sterna vittata | 7816 |