Achnanthes longipes C.Agardh, 1824 (additional source)
Actinocyclus curvatulus Janisch, 1874 (additional source)
Actinocyclus octonarius var. ralfsii (W.Smith) Hendey, 1954 accepted as Eupodiscus ralfsii var. ralfsii W. Smith, 1856 (additional source)
Actinocyclus octonarius var. tenellus (Brébisson) Hendey, 1954 accepted as Eupodiscus tenellus Brébisson, 1854 (additional source)
Actinocyclus subtilis (W.Gregory) Ralfs, 1861 (additional source)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Actinoptychus splendens (Shadbolt) Ralfs ex Pritchard, 1861 (additional source)
Actinoptychus vulgaris Schumann, 1867 (additional source)
Amphora acuta Gregory, 1857 (additional source)
Amphora acutiuscula Kützing, 1844 accepted as Halamphora acutiuscula (Kützing) Levkov, 2009 (additional source)
Amphora commutata Grunow, 1880 (additional source)
Amphora crassa Gregory, 1857 (additional source)
Amphora decussata Grunow, 1877 accepted as Tetramphora decussata (Grunow, 1877) Stepanek & Kociolek, 2016 (additional source)
Amphora eunotia Cleve, 1873 accepted as Halamphora eunotia (Cleve) Levkov, 2009 (additional source)
Amphora hyalina Kützing, 1844 accepted as Halamphora hyalina (Kützing) Rimet & R. Jahn in Rimet et al., 2018 (additional source)
Amphora mexicana Schmidt (additional source)
Amphora obtusa W.Gregory, 1857 (additional source)
Amphora ocellata Donkin, 1861 (additional source)
Amphora rhombica Kitton, 1876 accepted as Tetramphora rhombica (Kitton in Schmidt, 1876) Stepanek & Kociolek, 2016 (additional source)
Amphora robusta Gregory, 1857 (additional source)
Amphora sinuata Greville, 1863 (additional source)
Amphora spectabilis Gregory, 1857 (additional source)
Amphora turgida Gregory, 1857 accepted as Halamphora turgida (Gregory) Levkov, 2009 accepted as Amphora turgida var. turgida Gregory, 1857 (additional source)
Ardissonea formosa (Hantzsch) Grunow (additional source)
Asterionellopsis glacialis (Castracane) Round, 1990 accepted as Asterionella glacialis Castracane, 1886 (additional source)
Asteromphalus flabellatus (Brébisson) Greville, 1859 (additional source)
Asteromphalus heptactis (Brébisson) Ralfs, 1861 (additional source)
Asteroplanus karianus (Grunow) C.Gardner & R.M.Crawford, 1997 accepted as Asterionella kariana Grunow, 1880 (additional source)
Auliscus sculptus (W.Smith) Brightwell, 1860 accepted as Eupodiscus sculptus W.Smith, 1853 (additional source)
Auricula complexa (Gregory) Cleve, 1894 accepted as Amphiprora complexa Gregory, 1857 (additional source)
Bacteriastrum delicatulum Cleve, 1897 (additional source)
Bacteriastrum furcatum Shadbolt, 1854 (additional source)
Bacteriastrum hyalinum Lauder, 1864 (additional source)
Bellerochea malleus (Brightwell) Van Heurck, 1885 (additional source)
Berkeleya micans (Lyngbye) Grunow ex Van Heurck, 1880 (additional source)
Berkeleya rutilans (Trentepohl ex Roth) Grunow, 1880 (additional source)
Biddulphia antediluviana (Ehrenberg) Van Heurck, 1885 (additional source)
Biddulphia biddulphiana (J.E.Smith) Boyer, 1900 (additional source)
Biddulphia tridens (Ehrenberg) Ehrenberg, 1841 (additional source)
Caloneis liber (W.Smith) Cleve, 1894 (additional source)
Caloneis linearis (Grunow) Boyer, 1927 accepted as Navicula linearis Grunow, 1860 (additional source)
Campylodiscus brightwellii Grunow, 1862 (additional source)
Campylodiscus decorus Brébisson, 1854 accepted as Coronia decora (Brébisson) Ruck & Guiry, 2016 (additional source)
Campylodiscus fastuosus Ehrenberg, 1845 (additional source)
Campylodiscus incertus Schmidt in Schmidt et al., 1875 (additional source)
Campylodiscus ralfsii W.Smith, 1853 (additional source)
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Chaetoceros brevis F.Schütt, 1895 (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 diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (additional source)
Chaetoceros dichaeta Ehrenberg, 1844 (additional source)
Chaetoceros didymus Ehrenberg, 1845 (additional source)
Chaetoceros eibenii Grunow, 1882 (additional source)
Chaetoceros holsaticus F.Schütt, 1895 (additional source)
Chaetoceros laciniosus F.Schütt, 1895 (additional source)
Chaetoceros lorenzianus Grunow, 1863 (additional source)
Chaetoceros peruvianus Brightwell, 1856 (additional source)
Chaetoceros pseudocurvisetus Mangin, 1910 (additional source)
Chaetoceros similis Cleve, 1896 (additional source)
Chaetoceros socialis H.S.Lauder, 1864 (additional source)
Chaetoceros teres Cleve, 1896 (additional source)
Chaetoceros vanheurckii Gran, 1897 (additional source)
Chattonella marina (Subrahmanyan) Y.Hara & Chihara, 1982 accepted as Chattonella marina var. ovata (Y.Hara & Chihara) Demura & Kawachi, 2009 (additional source)
Climacosphenia moniligera Ehrenberg, 1843 (additional source)
Cocconeis britannica Naegeli ex Kützing, 1849 (additional source)
Cocconeis dirupta var. flexella (Janisch & Rabenhorst) Grunow, 1880 accepted as Cocconeis flexella Janisch & Rabenhorst, 1863 (additional source)
Cocconeis distans W.Gregory, 1855 (additional source)
Cocconeis fasciolata (Ehrenberg) N.E.Brown, 1920 accepted as Rhaphoneis fasciolata var. fasciolata Ehrenberg, 1844 (additional source)
Cocconeis heteroidea var. curvirotunda (Tempère & J.-J.Brun) Cleve, 1895 accepted as Cocconeis pellucida var. curvirotunda (Tempère & Brun) M.De Stefano, 2005 (additional source)
Cocconeis notata Petit, 1877 (additional source)
Cocconeis pellucida Hantzsch, 1863 (additional source)
Cocconeis pseudomarginata var. intermedia Grunow, 1868 (additional source)
Cocconeis scutellum var. parva (Grunow) Cleve, 1895 accepted as Cocconeis scutellum f. parva Grunow, 1880 (additional source)
Cocconeis speciosa Gregory, 1855 (additional source)
Cocconeis stauroneiformis (W.Smith) H.Okuno, 1957 accepted as Cocconeis scutellum f. stauroneiformis Rabenhorst, 1864 (additional source)
Cocconeis sublittoralis Hendey, 1951 (additional source)
Colliculoamphora reichardtiana (Grunow) D.M.Williams & G.Reid, 2006 † (additional source)
Corethron criophilum Castracane, 1886 (additional source)
Coscinodiscus argus Ehrenberg, 1839 (additional source)
Coscinodiscus asteromphalus Ehrenberg, 1844 (additional source)
Coscinodiscus centralis Ehrenberg, 1844 (additional source)
Coscinodiscus concinnus W.Smith, 1856 (additional source)
Coscinodiscus curvatulus Grunow ex A.Schmidt, 1878 (additional source)
Coscinodiscus fimbriatus Ehrenberg, 1844 (additional source)
Coscinodiscus gigas Ehrenberg, 1841 (additional source)
Coscinodiscus granii Gough, 1905 (additional source)
Coscinodiscus janischii A.Schmidt, 1878 (additional source)
Coscinodiscus marginatus Ehrenberg, 1844 (additional source)
Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (additional source)
Coscinodiscus radiatus Ehrenberg, 1840 (additional source)
Coscinodiscus wailesii Gran & Angst, 1931 (additional source)
Cyclotella caspia Grunow, 1878 (additional source)
Dactyliosolen blavyanus (H.Peragallo) Hasle, 1975 accepted as Guinardia blavyana var. blavyana H. Peragallo, 1892 (additional source)
Delphineis surirella var. australis (P.Petit) P.M.Tsarenko, 2009 accepted as Rhaphoneis fasciolata var. australis Petit, 1877 (additional source)