• Acervulina inhaerens Schultze, 1854
• Acinetospora crinita (Carmichael) Sauvageau, 1899
• Acrothrix gracilis Kylin, 1907
• Adelosina carinatastriata Wiesner, 1923 represented as Quinqueloculina carinatastriata (Wiesner, 1923)
• Adelosina milletti Wiesner, 1923 accepted as Miliolina milletti Wiesner, 1912 accepted as Quinqueloculina milletti (Wiesner, 1912)
• Agglutinella compressa El-Nakhal, 1983
• Agglutinella robusta El-Nakhal, 1983
• Agglutinella soriformis El-Nakhal, 1983
• Aglaozonia parvula (Greville) Zanardini, 1843 accepted as Cutleria multifida (Turner) Greville, 1830
• Alaria esculenta (Linnaeus) Greville, 1830
• Alexandrium acatenella (Whedon & Kofoid) Balech, 1985 accepted as Alexandrium catenella (Whedon & Kofoid) Balech, 1985
• Alexandrium affine (H.Inoue & Y.Fukuyo) Balech, 1995
• Alexandrium andersoni Balech, 1990 accepted as Alexandrium andersonii Balech, 1990
• Alexandrium andersonii Balech, 1990
• Alexandrium angustitabulatum F.J.R.Taylor, 1995 accepted as Alexandrium minutum Halim, 1960
• Alexandrium catenella (Whedon & Kofoid) Balech, 1985
• Alexandrium concavum (Gaarder) Balech, 1985
• Alexandrium fundyense Balech, 1985 accepted as Alexandrium catenella (Whedon & Kofoid) Balech, 1985
• Alexandrium kutnerae (Balech, 1979) Balech, 1985
• Alexandrium leei Balech, 1985
• Alexandrium margalefii Balech, 1994
• Alexandrium minutum Halim, 1960
• Alexandrium monilatum (J.F.Howell) Balech, 1995
• Alexandrium ostenfeldii (Paulsen) Balech & Tangen, 1985
• Alexandrium peruvianum (Balech & Mendiola) Balech & Tangen, 1985 accepted as Alexandrium ostenfeldii (Paulsen) Balech & Tangen, 1985
• Alexandrium pseudogonyaulax (Biecheler) Horiguchi ex K.Yuki & Y.Fukuyo, 1992
• Alexandrium tamarense (Lebour) Balech, 1995
• Alexandrium taylori Balech, 1994 accepted as Alexandrium taylorii Balech, 1994
• Alexandrium taylorii Balech, 1994
• Amphidinium carterae Hulburt, 1957
• Amphisorus hemprichii Ehrenberg, 1839
• Amphistegina lessoni d'Orbigny in Deshayes, 1830
• Amphistegina lobifera Larsen, 1976
• Amphistegina madagascariensis d'Orbigny in Fornasini, 1903 accepted as Amphistegina lessoni d'Orbigny in Deshayes, 1830
• Ancistrocoma pelseneeri Chatton & Lwoff, 1926
• Ancistrum cyclidioides (Issel, 1918)
• Apedinella radians (Lohmann) P.H.Campbell, 1973
• Apedinella spinifera (Throndsen) Throndsen, 1971 accepted as Apedinella radians (Lohmann) P.H.Campbell, 1973
• Aphanomyces astaci Schikora, 1906
• Archaias angulatus (Fichtel & Moll, 1798)
• Articulina alticostata Cushman, 1944
• Articulina mayori Cushman, 1922
• Articulina pacifica Cushman, 1944
• Ascophyllum nodosum (Linnaeus) Le Jolis, 1863
• Asperococcus compressus A.W.Griffiths ex W.J.Hooker, 1833 accepted as Asperococcus ensiformis (Delle Chiaje) M.J.Wynne, 2003
• Asperococcus ensiformis (Delle Chiaje) M.J.Wynne, 2003
• Asperococcus scaber Kuckuck, 1899
• Astacolus insolitus (Schwager, 1866)
• Astacolus sublegumen (Parr, 1950) accepted as Vaginulinopsis sublegumen Parr, 1950
• Balantidium sigani Diamant & Wilbert, 1985
• Blepharocysta paulsenii Schiller, 1937
• Bolivina simpsoni Heron-Allen & Earland, 1915
• Bonamia exitiosa Hine, Cochennac & Berthe, 2001
• Bonamia ostreae Pichot, Comps, Tigé, Grizel & Rabouin, 1980
• Borelis schlumbergeri (Reichel, 1937)
• Botrytella micromora Bory, 1822
• Botrytella pacifica (Hollenberg) G.I.Hansen, 1997
• Botrytella parva (Takamatsu) H.S.Kim, 1996
• Botrytella reinboldii (Reinke) Kornmann & Sahling, 1988
• Botrytella uvaeformis (Lyngbye) Kornmann & Sahling, 1988 accepted as Botrytella micromora Bory, 1822
• Brizalina simpsoni (Heron-Allen & Earland, 1915) accepted as Bolivina simpsoni Heron-Allen & Earland, 1915
• Centrodinium complanatum (Cleve) Kofoid, 1907
• Ceratium dens Ostenfeld & J.Schmidt, 1901 accepted as Tripos dens (Ostenfeld & Johannes Schmidt) F.Gómez, 2013
• Ceratium furca (Ehrenberg) Claparède & Lachmann, 1859 accepted as Tripos furca (Ehrenberg) F.Gómez, 2013
• Ceratium furca f. corpulentum Jorgensen, 1920
• Ceratium horridum (Cleve) Gran, 1902 accepted as Tripos horridus (Cleve) F.Gómez, 2013
• Ceratium massiliense (Gourret) Karsten, 1906 accepted as Tripos massiliensis (Gourret) F.Gómez, 2013
• Ceratium tripos (O.F.Müller) Nitzsch, 1817 accepted as Tripos muelleri Bory de Saint-Vincent, 1826
• Ceratoperidinium falcatum (Kofoid & Swezy) Reñé & Salas, 2013 accepted as Pseliodinium fusus (F.Schütt) F.Gómez, 2018
• Chattonella antiqua (Y.Hada) C.Ono, 1980
• Chattonella marina (Subrahmanyan) Hara & Chihara, 1982
• Chattonella marina var. antiqua (Hada) Demura & Kawachi, 2009 accepted as Chattonella antiqua (Y.Hada) C.Ono, 1980
• Chattonella verruculosa Y.Hara & M.Chihara, 1994 accepted as Pseudochattonella verruculosa (Y.Hara & M.Chihara) S.Tanabe-Hosoi, D.Honda, S.Fukaya, Y.Inagaki & Y.Sako, 2007
• Chorda filum (Linnaeus) Stackhouse, 1797
• Chrysonephos lewisii (W.R.Taylor) W.R.Taylor, 1952
• Cibicides mabahethi Said, 1949
• Cladosiphon zosterae (J.Agardh) Kylin, 1940
• Cladostephus spongiosus (Hudson) C.Agardh, 1817
• Cladostephus spongiosus f. verticillatus (Lightfoot) Prud'homme van Reine, 1972
• Clavulina angularis d'Orbigny, 1826
• Cochlodinium catenatum Okamura, 1916 accepted as Margalefidinium catenatum (Okamura) F.Gómez, Richlen & D.M.Anderson, 2017
• Cochlodinium polykrikoides Margalef, 1961 accepted as Margalefidinium polykrikoides (Margalef) F.Gómez, Richlen & D.M.Anderson, 2017
• Colpomenia peregrina Sauvageau, 1927
• Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier, 1851
• Coolia monotis Meunier, 1919
• Corynophlaea umbellata (C.Agardh) Kützing, 1843
• Corynophlaea verruculiformis (Y.-P.Lee & I.K.Lee) Y.-P.Lee, 2008
• Coscinospira acicularis (Batsch, 1791) represented as Spirolina acicularis (Batsch, 1791) accepted as Monalysidium acicularis (Batsch, 1791) accepted as Monalysidium aciculare (Batsch, 1791)
• Coscinospira arietina (Batsch, 1791) accepted as Peneroplis arietinus (Batsch, 1791)
• Coscinospira hemprichii Ehrenberg, 1839
• Cushmanina striatopunctata (Parker & Jones, 1865)
• Cutleria multifida (Turner) Greville, 1830
• Cycloforina quinquecarinata (Collins, 1958)
• Cyclorbiculina compressa (d'Orbigny, 1839)
• Cylindrocarpus microscopicus P.L.Crouan & H.M.Crouan, 1851
• Cymbaloporetta plana (Cushman, 1924)
• Cymbaloporetta squammosa (d'Orbigny, 1839)
• Cystoseira compressa (Esper) Gerloff & Nizamuddin, 1975
• Cystoseira foeniculacea (Linnaeus) Greville, 1830
• Cystoseira foeniculacea f. schiffneri (Hamel) Gómez Garreta, Barceló, Ribera & Rull Lluch, 2001 accepted as Cystoseira schiffneri Hamel, 1939