Abudefduf sexfasciatus (Lacepède, 1801) (additional source)
Abudefduf vaigiensis (Quoy & Gaimard, 1825) (additional source)
Abyla trigona Quoy & Gaimard, 1827 (additional source)
Acanthaster planci (Linnaeus, 1758) (additional source)
Acanthogobius flavimanus (Temminck & Schlegel, 1845) (additional source)
Acanthophora muscoides (Linnaeus) Bory de Saint-Vincent, 1828 (additional source)
Acanthophora spicifera (M.Vahl) Børgesen, 1910 (additional source)
Acanthopleura gemmata (Blainville, 1825) (additional source)
Acartia (Acartiura) omorii Bradford, 1976 (additional source)
Acentrogobius pflaumii (Bleeker, 1853) (additional source)
Acervulina inhaerens Schulze, 1854 (additional source)
Acetabularia calyculus J.V.Lamouroux, 1824 (additional source)
Acinetospora crinita (Carmichael) Sauvageau, 1899 (additional source)
Acrochaetium densum (K.M.Drew) Papenfuss, 1945 accepted as Acrochaetium catenulatum M.A.Howe, 1914 (additional source)
Acrochaetium microscopicum (Nägeli ex Kützing) Nägeli, 1858 (additional source)
Acropoma japonicum Günther, 1859 (additional source)
Acrosorium venulosum (Zanardini) Kylin, 1924 accepted as Acrosorium ciliolatum (Harvey) Kylin, 1924 (additional source)
Actaea savignii (H. Milne Edwards, 1834) (basis of record)
Actinocyclus normanii (Gregory) Hustedt, 1957 (additional source)
Aeolidiella Bergh, 1867 (additional source)
Aequorea conica Browne, 1905 (additional source)
Aequorea globosa Eschscholtz, 1829 (additional source)
Aeverrillia setigera (Hincks, 1887) (additional source)
Ahnfeltiopsis flabelliformis (Harvey) Masuda, 1993 (additional source)
Aidanosagitta neglecta (Aida, 1897) (additional source)
Akatopora leucocypha (Marcus, 1937) (additional source)
Alepes djedaba (Forsskål, 1775) (additional source)
Alexandrium catenella (Whedon & Kofoid) Balech, 1985 (additional source)
Alexandrium leei Balech, 1985 (additional source)
Alexandrium minutum Halim, 1960 (additional source)
Alexandrium tamarense (Lebour) Balech, 1995 (additional source)
Aliculastrum cylindricum (Helbling, 1779) (additional source)
Alpheus audouini Coutière, 1905 accepted as Alpheus edwardsii (Audouin, 1826) (additional source)
Alpheus edwardsii (Audouin, 1826) (additional source)
Alpheus inopinatus Holthuis & Gottlieb, 1958 (additional source)
Alpheus lobidens De Haan, 1849 [in De Haan, 1833-1850] (additional source)
Alpheus rapacida de Man, 1908 (additional source)
Amathia distans Busk, 1886 (additional source)
Amathina tricarinata (Linnaeus, 1767) (additional source)
Ammothea hilgendorfi (Böhm, 1879) (additional source)
Amphibalanus amphitrite (Darwin, 1854) (additional source)
Amphibalanus eburneus (Gould, 1841) (additional source)
Amphibalanus improvisus (Darwin, 1854) (additional source)
Amphibalanus reticulatus (Utinomi, 1967) (additional source)
Amphibalanus variegatus (Darwin, 1854) (additional source)
Amphidinium carterae Hulburt, 1957 (additional source)
Amphioplus (Lymanella) laevis (Lyman, 1874) (additional source)
Amphisorus hemprichii Ehrenberg, 1839 (additional source)
Amphistegina madagascariensis d'Orbigny in Fornasini, 1903 accepted as Amphistegina lessonii d'Orbigny in Guérin-Méneville, 1832 (additional source)
Amphogona pusilla Hartlaub, 1909 (additional source)
Ampithoe valida Smith, 1873 (additional source)
Anas platyrhynchos Linnaeus, 1758 (additional source)
Anomia chinensis Philippi, 1849 (additional source)
Antennella Allman, 1877 (additional source)
Antennella secundaria (Gmelin, 1791) (additional source)
Antigona lamellaris Schumacher, 1817 (additional source)
Antithamnion cruciatum (C.Agardh) Nägeli, 1847 (additional source)
Antithamnion nipponicum Yamada & Inagaki, 1935 (additional source)
Antithamnionella elegans (Berthold) J.H.Price & D.M.John, 1986 (additional source)
Antithamnionella spirographidis (Schiffner) E.M.Wollaston, 1968 (additional source)
Aoroides longimerus Ren & Zheng, 1996 (basis of record)
Apogon fasciatus (White, 1790) accepted as Ostorhinchus fasciatus (White, 1790) (additional source)
Articulina pacifica Cushman, 1944 (additional source)
Ascidia gemmata Sluiter, 1895 (additional source)
Ascidia sydneiensis Stimpson, 1855 (additional source)
Ashtoret lunaris (Forskål, 1775) (additional source)
Asparagopsis taxiformis (Delile) Trevisan de Saint-Léon, 1845 (additional source)
Aspidosiphon (Aspidosiphon) elegans (Chamisso & Eysenhardt, 1821) (additional source)
Asterias amurensis Lutken, 1871 (additional source)
Asterionella glacialis Castracane, 1886 (additional source)
Asterionella japonica Cleve, 1882 (additional source)
Atactodea striata (Gmelin, 1791) (additional source)
Atherinomorus lacunosus (Forster, 1801) (additional source)
Audouinella codicola (Børgesen) Garbary, 1979 accepted as Colaconema codicola (Børgesen) Stegenga, J.J.Bolton & R.J.Anderson, 1997 (additional source)
Audouinella robusta (Børgesen) Garbary, 1979 accepted as Acrochaetium robustum Børgesen, 1915 (additional source)
Balanus trigonus Darwin, 1854 (additional source)
Balistoides conspicillum (Bloch & Schneider, 1801) (additional source)
Bankia fimbriatula Moll & Roch, 1931 (additional source)
Bathygobius cyclopterus (Valenciennes, 1837) (additional source)
Beroe ovata Bruguière, 1789 (additional source)
Bhawania goodei Webster, 1884 (additional source)
Biddulphia laevis Ehrenberg, 1843 (additional source)
Biddulphia sinensis Greville, 1866 (additional source)
Bimeria vestita Wright, 1859 (additional source)
Blackfordia virginica Mayer, 1910 (additional source)
Boccardia polybranchia (Haswell, 1885) (additional source)
Boccardia proboscidea Hartman, 1940 (additional source)
Boccardiella hamata (Webster, 1879) (additional source)
Bolinopsis vitrea (L. Agassiz, 1860) (additional source)
Bonnemaisonia hamifera Hariot, 1891 (additional source)
Botrylloides perspicuum Herdman, 1886 accepted as Botrylloides perspicuus (Herdman, 1886) (additional source)
Botrylloides violaceus Oka, 1927 (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Botrytella parva (Takamatsu) H.S.Kim, 1996 (additional source)
Bougainvillia muscus (Allman, 1863) (additional source)
Bougainvillia niobe Mayer, 1894 (additional source)
Bowerbankia gracilis Leidy, 1855 accepted as Amathia gracilis (Leidy, 1855) (additional source)
Branchiomma cingulatum (Grube, 1870) (additional source)
Branchiosyllis exilis (Gravier, 1900) (additional source)
Bregmaceros atlanticus Goode & Bean, 1886 (additional source)