Acartia grani Sars G.O., 1904 accepted as Paracartia grani Sars G.O., 1904 represented as Paracartia grani grani Sars G.O., 1904 (additional source)
Acartia tonsa Dana, 1853-1855 represented as Acartia (Acanthacartia) tonsa Dana, 1849 (additional source)
Acrothrix gracilis Kylin, 1907 (additional source)
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne, 1979 (additional source)
Aglaothamnion feldmanniae Halos, 1965 (additional source)
Alaria esculenta (Linnaeus) Greville, 1830 (additional source)
Alexandrium pseudogonyaulax (Biecheler) Horiguchi ex K.Yuki & Y.Fukuyo, 1992 (additional source)
Alkmaria romijni Horst, 1919 (additional source)
Ameira divagans Nicholls, 1939 represented as Ameira divagans divagans Nicholls, 1939 (additional source)
Anguillicola crassus Kuwahara, Niimi & Itagaki, 1974 (additional source)
Anotrichium furcellatum (J.Agardh) Baldock, 1976 (additional source)
Antithamnion densum (Suhr) M.Howe, 1914 (additional source)
Antithamnionella elegans (Berthold) J.H.Price & D.M.John, 1986 (additional source)
Antithamnionella spirographidis (Schiffner) E.M.Wollaston, 1968 (additional source)
Antithamnionella ternifolia (Hooker f. & Harvey) Lyle, 1922 (additional source)
Asparagopsis armata Harvey, 1855 (additional source)
Asparagopsis taxiformis (Delile) Trevisan de Saint-Léon, 1845 (additional source)
Asperococcus scaber Kuckuck, 1899 (additional source)
Balanus eburneus Gould, 1841 accepted as Amphibalanus eburneus (Gould, 1841) (additional source)
Balanus improvisus Darwin, 1854 accepted as Amphibalanus improvisus (Darwin, 1854) (additional source)
Balanus trigonus Darwin, 1854 (additional source)
Beryx splendens Lowe, 1834 (additional source)
Blackfordia virginica Mayer, 1910 (additional source)
Boccardia semibranchiata Guérin, 1990 (additional source)
Bonnemaisonia hamifera Hariot, 1891 (additional source)
Botrylloides violaceus Oka, 1927 (additional source)
Brachynotus sexdentatus (Risso, 1827) (additional source)
Branchiura sowerbyi Beddard, 1892 (additional source)
Bugula neritina (Linnaeus, 1758) (additional source)
Callinectes sapidus Rathbun, 1896 (additional source)
Caprella mutica Schurin, 1935 (additional source)
Caulacanthus ustulatus (Turner) Kützing, 1843 (additional source)
Caulerpa racemosa (Forsskål) J.Agardh, 1873 (additional source)
Caulerpa taxifolia (M.Vahl) C.Agardh, 1817 (additional source)
Cerithium nesioticum Pilsbry & Vanatta, 1906 (additional source)
Chaetoceros coarctatus Lauder, 1864 (additional source)
Chaetogammarus ischnus (Stebbing, 1899) (additional source)
Chama pacifica Broderip, 1835 (additional source)
Chattonella marina (Subrahmanyan) Y.Hara & Chihara, 1982 accepted as Chattonella marina var. ovata (Y.Hara & Chihara) Demura & Kawachi, 2009 (additional source)
Chondria coerulescens (J.Agardh) Falkenberg, 1901 accepted as Chondria coerulescens (J.Agardh) Sauvageau, 1897 (additional source)
Chorda filum (Linnaeus) Stackhouse, 1797 (additional source)
Chrysopetalum debile (Grube, 1855) (additional source)
Chrysymenia wrightii (Harvey) Yamada, 1932 accepted as Botryocladia wrightii (Harvey) W.E.Schmidt, D.L.Ballantine & Fredericq, 2017 (basis of record)
Cladosiphon zosterae (J.Agardh) Kylin, 1940 (additional source)
Clavopsella navis (Millard, 1959) accepted as Pachycordyle michaeli (Berrill, 1948) (additional source)
Clymenella torquata (Leidy, 1855) (additional source)
Codium fragile (Suringar) Hariot, 1889 (additional source)
Codium fragile subsp. atlanticum (A.D.Cotton) P.C.Silva, 1955 (basis of record)
Codium fragile subsp. tomentosoides (van Goor) P.C.Silva, 1955 accepted as Codium fragile subsp. fragile (Suringar) Hariot, 1889 (additional source)
Colpomenia peregrina Sauvageau, 1927 (additional source)
Coolia monotis Meunier, 1919 (additional source)
Corambe obscura (A. E. Verrill, 1870) (additional source)
Corbicula fluminea (O. F. Müller, 1774) (additional source)
Cordylophora caspia (Pallas, 1771) (additional source)
Corethron criophilum Castracane, 1886 (additional source)
Corophium sextonae Crawford, 1937 accepted as Monocorophium sextonae (Crawford, 1937) (additional source)
Corynophlaea umbellata (C.Agardh) Kützing, 1843 (additional source)
Coscinodiscus wailesii Gran & Angst, 1931 (additional source)
Crassostrea virginica (Gmelin, 1791) (additional source)
Cryptonemia hibernica Guiry & L.M.Irvine, 1974 (additional source)
Cyprinus carpio Linnaeus, 1758 (additional source)
Dasya baillouviana (S.G.Gmelin) Montagne, 1841 accepted as Dasya pedicellata (C.Agardh) C.Agardh, 1824 (additional source)
Desdemona ornata Banse, 1957 (additional source)
Desmarestia viridis (O.F.Müller) J.V.Lamouroux, 1813 (additional source)
Diadumene cincta Stephenson, 1925 (additional source)
Dicentrarchus labrax (Linnaeus, 1758) (additional source)
Dispio uncinata Hartman, 1951 (additional source)
Dreissena polymorpha (Pallas, 1771) (additional source)
Dyspanopeus sayi (Smith, 1869) (additional source)
Ectocarpus siliculosus (Dillwyn) Lyngbye, 1819 (additional source)
Elasmopus pectenicrus (Spence Bate, 1863) (additional source)
Elminius modestus Darwin, 1854 accepted as Austrominius modestus (Darwin, 1854) (additional source)
Ensis americanus (A. Gould, 1870) accepted as Ensis leei M. Huber, 2015 (additional source)
Eriocheir sinensis H. Milne Edwards, 1853 (additional source)
Eucrate crenata (De Haan, 1835) (additional source)
Eusarsiella zostericola (Cushman, 1906) (additional source)
Fibrocapsa japonica S.Toriumi & H.Takano, 1973 (additional source)
Ficopomatus enigmaticus (Fauvel, 1923) (additional source)
Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957 (additional source)
Fucus spiralis Linnaeus, 1753 (additional source)
Gammarus tigrinus Sexton, 1939 (additional source)
Garveia franciscana (Torrey, 1902) accepted as Calyptospadix cerulea Clarke, 1882 (additional source)
Gonionemus vertens A. Agassiz, 1862 (additional source)
Goniotrichopsis sublittoralis G.M.Smith, 1943 (additional source)
Gracilaria gracilis (Stackhouse) Steentoft, L.M.Irvine & Farnham, 1995 (additional source)
Grateloupia doryphora (Montagne) M.Howe, 1914 (additional source)
Griffithsia corallinoides (Linnaeus) Trevisan, 1845 (additional source)
Gymnammodytes semisquamatus (Jourdain, 1879) (additional source)
Gymnodinium catenatum H.W.Graham, 1943 (additional source)
Haliplanella lineata (Verrill, 1869) accepted as Diadumene lineata (Verrill, 1869) (additional source)
Halothrix lumbricalis (Kützing) Reinke, 1888 (additional source)
Hemigrapsus sanguineus (De Haan, 1835) (additional source)
Hemimysis anomala G.O. Sars, 1907 (additional source)
Herrmannella duggani Holmes & Minchin, 1991 (additional source)
Heterosigma akashiwo (Hada) Hada ex Y.Hara & Chihara, 1987 (additional source)
Heterosiphonia japonica Yendo, 1920 accepted as Dasysiphonia japonica (Yendo) H.-S.Kim, 2012 (basis of record)
Homarus americanus H. Milne Edwards, 1837 (additional source)
Hydroides dianthus (Verrill, 1873) (additional source)
Hydroides elegans (Haswell, 1883) [nomen protectum] (additional source)
Hydroides ezoensis Okuda, 1934 (additional source)