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)
Amphora C.G. Ehrenberg ex F.T. Kützing, 1844 (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)
Auricula A.F. Castracane, 1873 (additional source)
Auriculaceae Hendey (additional source)
Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912 (additional source)
Azpeitia M. Peragallo in J. Tempère & H. Peragallo, 1912 (basis of record)
Bacillariaceae Ehrenberg, 1831 (basis of record)
Bacillariales (basis of record)
Bacillariophyceae (additional source)
Bacillariophyta (additional source)
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)
Catenulaceae Mereschkowsky, 1902 (basis of record)
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)
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)
Cymbellales (additional source)
Dactyliosolen A.F. Castracane, 1886 (additional source)
Diadesmidaceae D.G.Mann (basis of record)
Diatoma J.B.M. Bory de Saint-Vincent, 1824 (basis of record)
Diploneidaceae D. G. Mann, 1990 (basis of record)
Diploneidineae (basis of record)
Diploneis (C. G. Ehrenberg) P.T. Cleve, 1894 (basis of record)
Entomoneidaceae Reimer, 1975 (basis of record)
Entomoneis Ehrenberg, 1845 (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)
Fragilariophyceae accepted as Bacillariophyceae (additional source)
Fragilariophycidae (basis of record)
Fragilariopsis F. Hustedt in A. Schmidt et al., 1913 (additional source)
Gomphonema C.G. Ehrenberg, 1832 (additional source)
Gomphonemataceae Kützing, 1844 (basis of record)
Grammatophora C.G. Ehrenberg, 1840 (additional source)
Guinardia H. Peragallo, 1892 (additional source)
Gyrosigma A.H. Hassall, 1845 (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)
Hemidiscaceae Hendey, 1937 emend Simonsen, 1975 (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)
Lithodesmiaceae Round, 1990 (basis of record)
Lithodesmiales (basis of record)
Luticola D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (basis of record)
Melosira C.A. Agardh, 1824 (basis of record)
Melosiraceae Kützing, 1844, sensu emend. (basis of record)
Melosirales (basis of record)
Navicula J.B.M. Bory de Saint-Vincent, 1822 (additional source)
Naviculaceae Kützing, 1844 (basis of record)
Naviculales (basis of record)
Naviculineae (basis of record)
Neidiineae (basis of record)
Nitzschia A.H. Hassall, 1845 (basis of record)
Odontella C.A. Agardh, 1832 (basis of record)
Pinnularia C.G. Ehrenberg, 1843 (basis of record)
Pinnulariaceae D.G. Mann, 1990 (basis of record)
Plagiotropidaceae D. G. Mann (additional source)
Plagiotropis E. Pfitzer, 1871 (additional source)
Planktoniella F. Schütt, 1892 (basis of record)
Pleurosigma W. Smith, 1852 (basis of record)
Pleurosigmataceae Mereschkowsky, 1903 (basis of record)
Porosira E. Jorgensen, 1905 (basis of record)