Achnanthaceae Kützing, 1844 (basis of record)
Achnanthales (basis of record)
Achnanthes Bory, 1822 (basis of record)
Actinocyclus C.G. Ehrenberg, 1837 (additional source)
Actinoptychus C.G. Ehrenberg, 1843 (additional source)
Amphipleuraceae Grunow, 1862 (basis of record)
Amphiprora C.G. Ehrenberg, 1843 (basis of record)
Asterionella A.H. Hassall, 1850 (additional source)
Asterionellopsis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (basis of record)
Asterolampraceae Smith, 1872 (additional source)
Asterolamprales (additional source)
Asteromphalus C.G. Ehrenberg, 1844 (additional source)
Attheya T. West, 1860 (basis of record)
Attheyaceae Round & R. M. Crawford (additional source)
Auliscus C.G. Ehrenberg, 1843 (additional source)
Bacillaria J.F. Gmelin, 1788 (basis of record)
Bacillariaceae Ehrenberg, 1831 (basis of record)
Bacillariales (basis of record)
Bacillariophyceae (additional source)
Bacillariophyta (additional source)
Bacteriastrum G. Shadbolt, 1854 (basis of record)
Bellerochea H. Van Heurck, 1885 (additional source)
Bellerocheaceae Crawford, 1990 (basis of record)
Berkeleyaceae Mann (basis of record)
Biddulphia S.F. Gray, 1821 (additional source)
Biddulphiaceae Kützing, 1844 (basis of record)
Biddulphiales (basis of record)
Biddulphiophycidae accepted as Biddulphianae (basis of record)
Bleakeleya F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (basis of record)
Brockmanniella G.R. Hasle, H.A. von Stosch & E.E. Syvertsen, 1983 (additional source)
Cerataulina H. Peragallo ex F. Schütt in Engler & Prantl, 1896 (additional source)
Cerataulus Ehrenberg, 1844 (additional source)
Chaetoceros C.G. Ehrenberg, 1844 (basis of record)
Chaetocerotaceae Ralfs, 1861 (basis of record)
Chaetocerotales accepted as Chaetocerotanae (basis of record)
Chaetocerotophycidae accepted as Chaetocerotanae (basis of record)
Cocconeidaceae Kützing, 1844 (basis of record)
Cocconeis C.G. Ehrenberg, 1837 (basis of record)
Corethraceae Lebour, 1930 (basis of record)
Corethrales (basis of record)
Corethron A.F. Castracane, 1886 (basis of record)
Corethrophycidae accepted as Corethranae (basis of record)
Coscinodiscaceae Kützing, 1844 (basis of record)
Coscinodiscales (basis of record)
Coscinodiscophyceae accepted as Coscinodiscophycidae (additional source)
Coscinodiscophycidae (basis of record)
Coscinodiscus C.G. Ehrenberg, 1839 (additional source)
Cyclotella (F.T. Kützing) A. de Brébisson, 1838 (additional source)
Cylindrotheca L. Rabenhorst, 1859 (basis of record)
Cymatosira A. Grunow, 1862 (additional source)
Cymatosiraceae Hasle, von Stosch & Syvertsen, 1983 (basis of record)
Cymatosirales (basis of record)
Cymatosirophycidae accepted as Cymatosirophycanae (basis of record)
Dactyliosolen A.F. Castracane, 1886 (additional source)
Delphineis G.W. Andrews, 1977 (basis of record)
Detonula F. Schütt ex G.B. De Toni, 1894 (basis of record)
Diatoma J.B.M. Bory de Saint-Vincent, 1824 (basis of record)
Diploneidaceae D. G. Mann, 1990 (basis of record)
Diploneis (C. G. Ehrenberg) P.T. Cleve, 1894 (basis of record)
Ditylum J.W. Bailey ex L.W. Bailey, 1861 (additional source)
Ethmodiscaceae Round (additional source)
Ethmodiscales (additional source)
Ethmodiscus A.F. Castracane, 1886 (additional source)
Eucampia C.G. Ehrenberg, 1839 (additional source)
Eupodiscales accepted as Triceratiales (basis of record)
Eupodiscus J.W. Bailey, 1851 (additional source)
Fragilaria H.C. Lyngbye, 1819 (additional source)
Fragilariaceae Greville, 1833 (basis of record)
Fragilariales (basis of record)
Fragilariophycidae (basis of record)
Fragilariopsis F. Hustedt in A. Schmidt et al., 1913 (additional source)
Frustulia L. Rabenhorst, 1853 (additional source)
Grammatophora C.G. Ehrenberg, 1840 (additional source)
Guinardia H. Peragallo, 1892 (additional source)
Gyrosigma A.H. Hassall, 1845 (additional source)
Hantzschia A. Grunow, 1877 (additional source)
Haslea R. Simonsen, 1974 (basis of record)
Heliopeltaceae H. L. Smith, 1872 (basis of record)
Hemiaulaceae Heiberg, 1863 (basis of record)
Hemiaulales (basis of record)
Hemiaulus P.A.C. Heiberg, 1863 (additional source)
Hemidiscaceae Hendey, 1937 emend Simonsen, 1975 (basis of record)
Hyalodiscaceae Crawford, 1990 (basis of record)
Lauderia P.T. Cleve, 1873 (basis of record)
Lauderiaceae (Schütt) Lemmermann, 1899, sensu emend. (basis of record)
Leptocylindraceae Lebour, 1930 (basis of record)
Leptocylindrales (basis of record)
Leptocylindrus P.T. Cleve in C.G.J. Petersen, 1889 (additional source)
Licmophora C.A. Agardh, 1827 (additional source)
Licmophoraceae Kützing, 1844 (additional source)
Licmophorales (additional source)
Lithodesmiaceae Round, 1990 (basis of record)
Lithodesmiales (basis of record)
Lithodesmiophycidae accepted as Lithodesmiophycanae (basis of record)
Lithodesmium C.G. Ehrenberg, 1839 (additional source)
Lyrellales (basis of record)
Melosira C.A. Agardh, 1824 (basis of record)
Melosiraceae Kützing, 1844, sensu emend. (basis of record)
Melosirales (basis of record)
Meridion C.A. Agardh, 1824 (additional source)