Acanthocorbis asymmetrica (Thomsen) Hara & Takahashi, 1984 (additional source)
Acanthocorbis unguiculata (Thomsen) Hara & Takahashi, 1984 (additional source)
Acanthoica quattrospina Lohmann, 1903 (additional source)
Achnanthes Bory, 1822 (additional source)
Actinocyclus actinochilus (Ehrenberg) Simonsen, 1982 accepted as Coscinodiscus actinochilus Ehrenberg, 1844 (additional source)
Actinocyclus curvatulus Janisch, 1874 (additional source)
Actinocyclus exiguus G.Fryxell & Semina, 1981 (additional source)
Actinocyclus normanii (Gregory) Hustedt, 1957 (additional source)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinocyclus spiritus T.P.Watkins, 1986 (additional source)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinoptychus undulatus (J.W.Bailey) Ralfs, 1861 accepted as Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Alexandrium tamarense (Lebour) Balech, 1995 (additional source)
Algirosphaera oryza Lecal-Schlauder, 1945 (additional source)
Alisphaera unicornis Okada & McIntyre, 1977 (additional source)
Amphiprora C.G. Ehrenberg, 1843 (additional source)
Amphiprora belgicae Van Heurck, 1909 accepted as Banquisia belgicae (Van Heurck) Paddock, 1988 accepted as Amphiprora belgicae var. belgicae Van Heurck, 1909 (additional source)
Asterionella A.H. Hassall, 1850 (additional source)
Asteromphalus heptactis (Brébisson) Ralfs, 1861 (additional source)
Asteromphalus hookeri Ehrenberg, 1844 (additional source)
Asteromphalus hyalinus Karsten, 1905 (additional source)
Asteromphalus parvulus Karsten, 1905 (additional source)
Asteromphalus roperianus (Greville) Ralfs, 1861 (additional source)
Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986 (additional source)
Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986 accepted as Coscinodiscus tabularis var. tabularis Grunow, 1884 (additional source)
Bacillaria J.F. Gmelin, 1788 (additional source)
Banquisia belgicae (Van Heurck) Paddock, 1988 accepted as Amphiprora belgicae var. belgicae Van Heurck, 1909 (additional source)
Bicosoecaceae Haeckel, 1894 (basis of record)
Bicosoecales (basis of record)
Bicosta spinifera (Throndsen) Leadbeater, 1978 (additional source)
Biddulphia aurita (Lyngbye) Brébisson, 1838 accepted as Odontella aurita (Lyngbye) C.Agardh, 1832 (basis of record)
Biddulphia litigiosa Van Heurck, 1909 (additional source)
Biddulphia sinensis Greville, 1866 (additional source)
Biddulphia weissflogii Grunow, 1882 (additional source)
Blepharocysta splendor-maris (Ehrenberg) F.Stein, 1883 (additional source)
Bodo curvifilus Griessmann, 1913 (additional source)
Bodo saltans Ehrenberg, 1832 (additional source)
Brachiomonas submarina Bohlin, 1898 (additional source)
Cafeteria roenbergensis Fenchel & D.J.Patterson, 1988 (additional source)
Cafeteriaceae Moestrup, 1995 (basis of record)
Calcidiscus leptoporus (G.Murray & V.H.Blackman) Loeblich & Tappan, 1978 † (additional source)
Calciopappus caudatus K.R.Gaarder & Ramsfjell, 1954 (additional source)
Calliacantha natans (Grøntved) Leadbeater, 1978 (additional source)
Calyptrolithophora papillifera (Halldal) Heimdal, 1980 (additional source)
Caneosphaera molischii (Schiller) Gaarder, 1977 accepted as Syracosphaera molischii J.Schiller, 1925 (additional source)
Ceratium extensum (Gourret) Cleve-Euler, 1900 accepted as Tripos extensus (Gourret) F.Gómez, 2013 (additional source)
Ceratium fusus (Ehrenberg) Dujardin, 1841 accepted as Tripos fusus (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium lineatum (Ehrenberg) Cleve, 1899 accepted as Tripos lineatus (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium pentagonum Gourret, 1883 accepted as Tripos pentagonus (Gourret) F.Gómez, 2013 (additional source)
Ceratium tripos (O.F.Müller) Nitzsch, 1817 accepted as Tripos muelleri Bory de Saint-Vincent, 1826 (additional source)
Ceratoneis closterium Ehrenberg, 1839 (additional source)
Chaetoceros aequatorialis Cleve, 1873 (additional source)
Chaetoceros atlanticus Cleve, 1873 (additional source)
Chaetoceros brevis F.Schütt, 1895 (additional source)
Chaetoceros castracanei Karsten, 1905 (additional source)
Chaetoceros concavicornis Mangin, 1917 (additional source)
Chaetoceros convolutus Castracane, 1886 (additional source)
Chaetoceros curvisetus Cleve, 1889 (additional source)
Chaetoceros debilis Cleve, 1894 emend Xu, Y.Li & Lundholm in Xu et al., 2020 (additional source)
Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (additional source)
Chaetoceros dichaeta Ehrenberg, 1844 (additional source)
Chaetoceros flexuosus Mangin, 1915 (additional source)
Chaetoceros hendeyi Manguin, 1960 (additional source)
Chaetoceros laciniosus F.Schütt, 1895 (additional source)
Chaetoceros neglectus Karsten, 1905 (additional source)
Chaetoceros pendulus Karsten, 1905 (additional source)
Chaetoceros peruvianum Brightwell, 1856 (additional source)
Chaetoceros radicans F.Schütt, 1895 (additional source)
Chaetoceros simplex Ostenfeld, 1902 (additional source)
Chaetoceros socialis H.S.Lauder, 1864 (additional source)
Chaetoceros tortissimus Gran, 1900 (additional source)
Chrysochromulina ericina Parke & Manton, 1956 accepted as Haptolina ericina (Parke & Manton) Edvardsen & Eikrem, 2011 (additional source)
Chrysochromulina hirta Manton, 1978 accepted as Haptolina hirta (Manton) Edvardsen & Eikrem, 2011 (additional source)
Chrysochromulina leadbeateri Estep, Davis, Hargreaves & Sieburth, 1984 (additional source)
Chrysochromulina polylepis Manton & Parke, 1962 accepted as Prymnesium polylepis (Manton & Parke) Edvardsen, Eikrem & Probert, 2011 (additional source)
Coccolithus pelagicus (Wallich) J.Schiller, 1930 (additional source)
Corethron inerme Karsten, 1905 (additional source)
Coronosphaera mediterranea (Lohmann) Gaarder, 1977 (additional source)
Coscinodiscus actinochilus Ehrenberg, 1844 (additional source)
Coscinodiscus asteromphalus Ehrenberg, 1844 (additional source)
Coscinodiscus bouvet Karsten, 1905 (additional source)
Coscinodiscus centralis Ehrenberg, 1844 (additional source)
Coscinodiscus curvatulus Grunow ex A.Schmidt, 1878 (additional source)
Coscinodiscus furcatus Karsten, 1905 (additional source)
Coscinodiscus gracilis Karsten, 1905 (additional source)
Coscinodiscus lacustris Grunow (additional source)
Coscinodiscus lentiginosus Janisch, 1874 accepted as Thalassiosira lentiginosa (Janisch) Fryxell, 1977 accepted as Coscinodiscus lentiginosus var. lentiginosus Janisch in Schmidt et al., 1878 (additional source)
Coscinodiscus marginatus Ehrenberg, 1844 (additional source)
Coscinodiscus nodulifer A.W.F.Schmidt, 1878 represented as Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986 (additional source)
Coscinodiscus pseudodenticulatus Hustedt, 1958 (additional source)
Coscinodiscus radiatus Ehrenberg, 1840 (additional source)
Coscinodiscus ritscheri Hustedt, 1958 (additional source)
Coscinodiscus sol C.G.Wallich, 1860 (additional source)
Coscinodiscus tabularis Grunow, 1884 accepted as Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986 accepted as Coscinodiscus tabularis var. tabularis Grunow, 1884 (additional source)
Coscinodiscus tumidus Janisch, 1874 accepted as Thalassiosira tumida (Janisch) Hasle, 1971 accepted as Coscinodiscus tumidus var. tumidus Janisch in Schmidt et al., 1878 (additional source)
Coscinosira oestrupii Ostenfeld, 1900 represented as Shionodiscus oestrupii (Ostenfeld) A.J.Alverson, S.H.Kang & E.C.Theriot, 2006 (additional source)
Coscinosira poroseriata Ramsfjell, 1959 (additional source)
Crinolina aperta (Leadbeater) Thomsen, 1976 (additional source)
Cyclotella meneghiniana Kützing, 1844 (additional source)