Achnanthes Bory, 1822 (additional source)
Achnanthes brevipes C.Agardh, 1824 (additional source)
Achnanthes brevipes var. intermedia (Kützing) Cleve, 1895 accepted as Achnanthes intermedia Kützing, 1833 (additional source)
Achnanthes hauckiana Grunow, 1880 (additional source)
Achnanthes intermedia Kützing, 1833 (additional source)
Achnanthes longipes C.Agardh, 1824 (additional source)
Achnanthidium F.T. Kützing, 1844 (additional source)
Actinocyclus C.G. Ehrenberg, 1837 (additional source)
Actinocyclus ehrenbergii Ralfs, 1861 (source of synonymy)
Actinocyclus kützingii (A.Schmidt) Simonsen (additional source)
Actinocyclus octonarius Ehrenberg, 1837 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (additional source)
Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (basis of record)
Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 accepted as Eupodiscus tenellus Brébisson, 1854 (additional source)
Actinocyclus senarius Ehrenberg, 1838 (basis of record)
Actinocyclus senarius Ehrenberg, 1838 (source of synonymy)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Amphora C.G. Ehrenberg ex F.T. Kützing, 1844 (additional source)
Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875 (additional source)
Aphanocapsa C.Nägeli, 1849 (additional source)
Aphanocapsa elachista West & G.S.West, 1894 (additional source)
Aphanothece Nägeli, 1849 (basis of record)
Asterionella A.H. Hassall, 1850 (additional source)
Asterionella frauenfeldii Grunow, 1863 represented as Thalassionema frauenfeldii (Grunow) Tempère & Peragallo, 1910 (basis of record)
Asterionella frauenfeldii Grunow, 1863 represented as Thalassionema frauenfeldii (Grunow) Tempère & Peragallo, 1910 (source of synonymy)
Asterionella glacialis Castracane, 1886 (source of synonymy)
Asterionella kariana Grunow, 1880 (source of synonymy)
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)
Aulacoseira islandica (O.Müller) Simonsen, 1979 (additional source)
Bacillaria J.F. Gmelin, 1788 (additional source)
Bacteriastrum G. Shadbolt, 1854 (additional source)
Bacteriastrum elongatum Cleve, 1897 (basis of record)
Bacteriastrum hyalinum Lauder, 1864 (basis of record)
Bacterosira H.H. Gran, 1900 (basis of record)
Bacterosira bathyomphala (Cleve) Syvertsen & Hasle, 1993 accepted as Coscinodiscus bathyomphalus Cleve, 1883 (basis of record)
Bellerochea H. Van Heurck, 1885 (additional source)
Bellerochea malleus (Brightwell) Van Heurck, 1885 (additional source)
Biddulphia S.F. Gray, 1821 (additional source)
Biddulphia biddulphiana (J.E.Smith) Boyer, 1900 (basis of record)
Biddulphia laevis Ehrenberg, 1843 (basis of record)
Biddulphia laevis Ehrenberg, 1843 (source of synonymy)
Biddulphia sinensis Greville, 1866 (source of synonymy)
Caloneis P.T. Cleve, 1894 (additional source)
Campylodiscus C.G. Ehrenberg ex F.T. Kützing, 1844 (additional source)
Cerataulina H. Peragallo ex F. Schütt in Engler & Prantl, 1896 (additional source)
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Cerataulus Ehrenberg, 1844 (additional source)
Ceratoneis closterium Ehrenberg, 1839 (basis of record)
Ceratoneis closterium Ehrenberg, 1839 (source of synonymy)
Chaetoceros C.G. Ehrenberg, 1844 (additional source)
Chaetoceros affinis Lauder, 1864 (additional source)
Chaetoceros atlanticus Cleve, 1873 (additional source)
Chaetoceros brevis F.Schütt, 1895 (additional source)
Chaetoceros compressus Lauder, 1864 (additional source)
Chaetoceros constrictus Gran, 1897 (additional source)
Chaetoceros costatus Pavillard, 1911 (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 decipiens Cleve, 1873 (additional source)
Chaetoceros didymus Ehrenberg, 1845 (additional source)
Chaetoceros eibenii Grunow, 1882 (additional source)
Chaetoceros holsaticus F.Schütt, 1895 (basis of record)
Chaetoceros lauderi Ralfs, 1864 (additional source)
Chaetoceros lorenzianus Grunow, 1863 (additional source)
Chaetoceros muelleri Lemmermann, 1898 (basis of record)
Chaetoceros pelagicus Cleve (additional source)
Chaetoceros pseudocrinitus Ostenfeld, 1901 (additional source)
Chaetoceros radians F.Schütt, 1895 (source of synonymy)
Chaetoceros socialis H.S.Lauder, 1864 (additional source)
Chaetoceros socialis f. radians (F.Schütt) A.I.Proshkina-Lavrenko, 1963 accepted as Chaetoceros radians F.Schütt, 1895 (basis of record)
Chaetoceros tortissimus Gran, 1900 (basis of record)
Chroococcus Nägeli, 1849 (additional source)
Chroococcus cohaerens (Brébisson) Nägeli, 1849 (basis of record)
Chroococcus minor (Kützing) Nägeli, 1849 (additional source)
Chroococcus minutus (Kützing) Nägeli, 1849 (additional source)
Chroococcus turgidus (Kützing) Nägeli, 1849 (additional source)
Cocconeis C.G. Ehrenberg, 1837 (additional source)
Cocconeis euglypta Ehrenberg, 1854 (basis of record)
Cocconeis euglypta Ehrenberg, 1854 (source of synonymy)
Cocconeis placentula Ehrenberg, 1838 (additional source)
Cocconeis placentula var. euglypta (Ehrenberg) Grunow, 1884 accepted as Cocconeis euglypta Ehrenberg, 1854 (basis of record)
Cocconeis scutellum Ehrenberg, 1838 (additional source)
Cocconeis scutellum f. parva Grunow, 1880 (source of synonymy)
Cocconeis scutellum f. parva Grunow, 1880 (basis of record)
Cocconeis scutellum var. parva (Grunow) Cleve, 1895 accepted as Cocconeis scutellum f. parva Grunow, 1880 (basis of record)
Corethron A.F. Castracane, 1886 (additional source)
Coscinodiscus C.G. Ehrenberg, 1839 (additional source)
Coscinodiscus asteromphalus Ehrenberg, 1844 (additional source)
Coscinodiscus bathyomphalus Cleve, 1883 (basis of record)
Coscinodiscus bathyomphalus Cleve, 1883 (source of synonymy)
Coscinodiscus centralis Ehrenberg, 1844 (additional source)
Coscinodiscus concinnus W.Smith, 1856 (additional source)
Coscinodiscus condensatus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira condensata Cleve, 1900 (basis of record)
Coscinodiscus condensatus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira condensata Cleve, 1900 (source of synonymy)
Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 accepted as Coscinodiscopsis jonesiana (Greville) E.A.Sar & I.Sunesen, 2008 accepted as Eupodiscus jonesianus Greville, 1862 (basis of record)
Coscinodiscus nitidus W.Gregory, 1857 (additional source)
Coscinodiscus radiatus Ehrenberg, 1840 (additional source)
Coscinodiscus rothii (Ehrenberg) Grunow (basis of record)
Coscinodiscus subtilis Ehrenberg, 1841 (basis of record)
Coscinodiscus subtilis Ehrenberg, 1841 (source of synonymy)