Acanthocorbis apoda (Leadbeater) Hara & Takahashi, 1984 (additional source)
Achnanthes Bory, 1822 (additional source)
Achnanthes taeniata Grunow, 1880 accepted as Pauliella taeniata (Grunow) F.E.Round & P.W.Basson, 1997 (additional source)
Actinocyclus normanii (Gregory) Hustedt, 1957 (additional source)
Actinocyclus normanii f. subsalsus (Juhlin-Dannfelt) Hustedt (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)
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 catenella (Whedon & Kofoid) Balech, 1985 (additional source)
Alexandrium fundyense Balech, 1985 accepted as Alexandrium catenella (Whedon & Kofoid) Balech, 1985 (additional source)
Alexandrium ostenfeldii (Paulsen) Balech & Tangen, 1985 (additional source)
Alexandrium pseudogonyaulax (Biecheler) Horiguchi ex K.Yuki & Y.Fukuyo, 1992 (additional source)
Alexandrium tamarense (Lebour) Balech, 1995 (additional source)
Amphidinium carterae Hulburt, 1957 (additional source)
Amphidinium operculatum Claparède & Lachmann, 1859 (additional source)
Amphiprora C.G. Ehrenberg, 1843 (additional source)
Amylax triacantha (Jørgensen) Sournia, 1984 (additional source)
Apedinella radians (Lohmann) P.H.Campbell, 1973 (additional source)
Apedinella spinifera (Throndsen) Throndsen, 1971 accepted as Apedinella radians (Lohmann) P.H.Campbell, 1973 (additional source)
Arcocellulus cornucervis G.R.Hasle, H.A.von Stosch & E.E.Syvertsen, 1983 (additional source)
Asterionella A.H. Hassall, 1850 (additional source)
Asterionella glacialis Castracane, 1886 (additional source)
Asterionella japonica Cleve, 1882 (additional source)
Asterionella kariana Grunow, 1880 (additional source)
Asterionellopsis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (additional source)
Asterionellopsis glacialis (Castracane) Round, 1990 accepted as Asterionella glacialis Castracane, 1886 (additional source)
Asterionellopsis kariana (Grunow) Round, 1990 accepted as Asterionella kariana Grunow, 1880 (additional source)
Asteromphalus hyalinus Karsten, 1905 (additional source)
Attheya decora T.West, 1860 (additional source)
Attheya longicornis R.M.Crawford & C.Gardner, 1994 (additional source)
Attheya septentrionalis (Østrup) R.M.Crawford, 1994 accepted as Chaetoceros septentrionalis Cleve, 1896 (additional source)
Bacillaria J.F. Gmelin, 1788 (additional source)
Bacillaria paradoxa J.F.Gmelin, 1791 accepted as Bacillaria paxillifera (O.F.Müller) T.Marsson, 1901 accepted as Vibrio paxillifer O.F.Müller, 1786 (additional source)
Bacillaria paxillifer (O.F.Müller) T.Marsson, 1901 accepted as Vibrio paxillifer O.F.Müller, 1786 (additional source)
Bacillaria paxillifera (O.F.Müller) T.Marsson, 1901 accepted as Vibrio paxillifer O.F.Müller, 1786 (additional source)
Bacteriastrum elongatum Cleve, 1897 (additional source)
Bacteriastrum hyalinum Lauder, 1864 (additional source)
Bacterosira bathyomphala (Cleve) Syvertsen & Hasle, 1993 accepted as Coscinodiscus bathyomphalus Cleve, 1883 (additional source)
Bacterosira fragilis (Gran) Gran, 1900 accepted as Lauderia fragilis Gran, 1897 (additional source)
Bellerochea horologicalis Stosch, 1980 (additional source)
Bellerochea malleus (Brightwell) Van Heurck, 1885 (additional source)
Bellerochea polymorpha Hargraves & Guillard, 1974 (additional source)
Bicosoecaceae Haeckel, 1894 (basis of record)
Bicosoecales (basis of record)
Biddulphia mobiliensis (J.W.Bailey) Grunow, 1882 accepted as Trieres mobiliensis (J.W.Bailey) Ashworth & E.C.Theriot in Ashworth, Nakov & E.C.Theiriot, 2013 (additional source)
Biddulphia sinensis Greville, 1866 (additional source)
Brockmanniella brockmannii (Hustedt) Hasle, Stosch & Syvertsen, 1983 accepted as Plagiogramma brockmanni var. brockmanni Hustedt, 1939 (additional source)
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Ceratium arcticum (Ehrenberg) Cleve, 1901 (additional source)
Ceratium furca (Ehrenberg) Claparède & Lachmann, 1859 accepted as Tripos furca (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium fusus (Ehrenberg) Dujardin, 1841 accepted as Tripos fusus (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium horridum (Cleve) Gran, 1902 accepted as Tripos horridus (Cleve) F.Gómez, 2013 (additional source)
Ceratium kofoidii Jørgensen, 1911 accepted as Tripos kofoidii (E.G.Jørgensen) F.Gómez, 2013 (additional source)
Ceratium lineatum (Ehrenberg) Cleve, 1899 accepted as Tripos lineatus (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium longipes (Bailey) Gran, 1902 accepted as Tripos longipes (Bailey) F.Gómez, 2013 (additional source)
Ceratium macroceros (Ehrenberg) Vanhöffen, 1897 accepted as Tripos macroceros (Ehrenberg) 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 affinis Lauder, 1864 (additional source)
Chaetoceros affinis var. willei (Gran) Hustedt, 1930 accepted as Chaetoceros willei Gran, 1897 (additional source)
Chaetoceros atlanticus Cleve, 1873 (additional source)
Chaetoceros borealis Bailey, 1854 (basis of record)
Chaetoceros brevis F.Schütt, 1895 (additional source)
Chaetoceros ceratosporus Ostenfeld, 1910 (additional source)
Chaetoceros ceratosporus var. brachysetus Rines & Hargraves, 1986 (additional source)
Chaetoceros cinctus Gran, 1897 (additional source)
Chaetoceros compressus Lauder, 1864 (additional source)
Chaetoceros concavicornis Mangin, 1917 (additional source)
Chaetoceros constrictus Gran, 1897 (additional source)
Chaetoceros convolutus Castracane, 1886 (additional source)
Chaetoceros costatus Pavillard, 1911 (additional source)
Chaetoceros curvisetus Cleve, 1889 (additional source)
Chaetoceros danicus Cleve, 1889 (additional source)
Chaetoceros debilis Cleve, 1894 emend Xu, Y.Li & Lundholm in Xu et al., 2020 (additional source)
Chaetoceros decipiens Cleve, 1873 (additional source)
Chaetoceros densus (Cleve) Cleve, 1899 (basis of record)
Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (additional source)
Chaetoceros didymus Ehrenberg, 1845 (additional source)
Chaetoceros diversus Cleve, 1873 (additional source)
Chaetoceros furcellatus Yendo, 1911 (additional source)
Chaetoceros holsaticus F.Schütt, 1895 (additional source)
Chaetoceros karianus Grunow, 1880 (additional source)
Chaetoceros laciniosus F.Schütt, 1895 (additional source)
Chaetoceros lorenzianus Grunow, 1863 (additional source)
Chaetoceros mitra (Bailey) Cleve, 1896 accepted as Dicladia mitra J.W.Bailey, 1856 † (additional source)
Chaetoceros peruvianus Brightwell, 1856 (additional source)
Chaetoceros radians F.Schütt, 1895 (additional source)
Chaetoceros radicans F.Schütt, 1895 (additional source)
Chaetoceros similis Cleve, 1896 (additional source)
Chaetoceros simplex Ostenfeld, 1902 (additional source)
Chaetoceros socialis H.S.Lauder, 1864 (additional source)
Chaetoceros subtilis Cleve, 1896 (additional source)
Chaetoceros tenuissimus Meunier, 1913 (additional source)
Chaetoceros teres Cleve, 1896 (additional source)
Chaetoceros wighamii Brightwell, 1856 (additional source)
Chaetoceros willei Gran, 1897 (additional source)
Chrysochromulina parva Lackey, 1939 (additional source)
Chrysochromulina spinifera (Fournier) Pienaar & R.E.Norris, 1979 (additional source)
Corethron criophilum Castracane, 1886 (additional source)

 Authority

 for Rhizosoleniaceae De Toni, 1890

Carmelo R. Tomas uses both De Toni, 1890 and Petit, 1888 as autor for this family. [details]

 Distribution

 for Katodinium rotundatum (Lohmann) Loeblich III, 1965

Common estuarine species in temperate to tropical waters: cosmopolitan. [details]

 Identification

 for Symbolophora microtrias Ehrenberg, 1844

The authors (Hällfors, 2004; Tomas, 1997) are uncertain about the Genus [details]

 Spelling

 for Bacillaria paxillifer (O.F.Müller) T.Marsson, 1901

Spelled as Bacillaria paxillifera in Hällfors (2004) and Tomas (1997) [details]

 Spelling

 for Odontella mobilensis (J. W. Bailey) Grunow, 1884

Spelled as Odontella mobiliensis in Tomas (1997) [details]

 Spelling

 for Orthoseira marina W.Smith, 1856

Spelled as Orthosira marina in Hällfors (2004) and Tomas (1997) [details]

 Taxonomy

 for Boreadinium Dodge & Hermes, 1981

Tomas (1997) says that Boreadinium belongs to the family Kolkwitziellaceae [details]

 Validity

 for Paralia marina (W.Smith) Heiberg, 1863

Tomas (1997) refers to this species as a valid one [details]