Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Ceratium fusus (Ehrenberg) Dujardin, 1841 accepted as Tripos fusus (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium lineatum (Ehrenberg) Cleve, 1899 accepted as Tripos lineatus (Ehrenberg) F.Gómez, 2013 (additional source)
Chaetoceros atlanticus Cleve, 1873 (additional source)
Chaetoceros brevis F.Schütt, 1895 (additional source)
Chaetoceros concavicornis Mangin, 1917 (additional source)
Chaetoceros convolutus Castracane, 1886 (additional source)
Chaetoceros debilis Cleve, 1894 emend Xu, Y.Li & Lundholm in Xu et al., 2020 (additional source)
Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (additional source)
Chaetoceros laciniosus F.Schütt, 1895 (additional source)
Chaetoceros simplex Ostenfeld, 1902 (additional source)
Chaetoceros socialis H.S.Lauder, 1864 (additional source)
Cylindrotheca closterium (Ehrenberg) Reimann & J.C.Lewin, 1964 (additional source)
Dictyocha speculum Ehrenberg, 1839 accepted as Octactis speculum (Ehrenberg) F.H.Chang, J.M.Grieve & J.E.Sutherland, 2017 (basis of record)
Gonyaulax digitale (Pouchet) Kofoid, 1911 (additional source)
Guinardia flaccida (Castracane) H.Peragallo, 1892 accepted as Rhizosolenia flaccida Castracane, 1886 (additional source)
Lauderia annulata Cleve, 1873 (additional source)
Leptocylindrus mediterraneus (H.Peragallo) Hasle, 1975 accepted as Lauderia mediterranea H.Peragallo, 1888 (additional source)
Odontella aurita (Lyngbye) C.Agardh, 1832 (additional source)
Phalacroma rotundatum (Claparéde & Lachmann) Kofoid & J.R.Michener, 1911 (additional source)
Porosira glacialis (Grunow) Jörgensen, 1905 (basis of record)
Proboscia alata (Brightwell) Sundström, 1986 (additional source)
Rhizosolenia hebetata Bailey, 1856 (additional source)
Rhizosolenia imbricata Brightwell, 1858 (additional source)
Stephanopyxis turris (Greville) Ralfs, 1861 (additional source)
Thalassionema nitzschioides (Grunow) Mereschkowsky, 1902 (additional source)
Thalassiosira baltica (Grunow) Ostenfeld, 1901 (basis of record)
Thalassiosira decipiens (Grunow) E.G.Jørgensen, 1905 (additional source)
Thalassiosira gravida Cleve, 1896 (additional source)
Thalassiosira oestrupii (Ostenfeld) Hasle, 1972 represented as Shionodiscus oestrupii (Ostenfeld) A.J.Alverson, S.H.Kang & E.C.Theriot, 2006 (basis of record)