Actinocyclus actinochilus (Ehrenberg) Simonsen, 1982 accepted as Coscinodiscus actinochilus Ehrenberg, 1844
Actinocyclus curvatulus Janisch, 1874 (uncertain > unassessed )
Actinocyclus dimorphus (Castracane) Harwood & Maruyama, 1992 accepted as Coscinodiscus dimorphus Castracane, 1886
Actinocyclus ingens Rattray, 1890 † (uncertain > unassessed )
Asteromphalus hookeri Ehrenberg, 1844
Asteromphalus hyalinus Karsten, 1905 (uncertain > unassessed )
Asteromphalus parvulus Karsten, 1905 (uncertain > unassessed )
Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986 accepted as Coscinodiscus tabularis var. tabularis Grunow, 1884
Cerataulina bergonii (H.Peragallo) Schütt, 1896 accepted as Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903
Cerataulina bergonii Ostenfeld, 1903 (uncertain > unassessed )
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903
Cerataulus bergonii H.Peragallo, 1892 (uncertain > unassessed )
Chaetoceros affinis Lauder, 1864
Chaetoceros curvisetus Cleve, 1889
Chaetoceros dichaeta Ehrenberg, 1844
Chaetoceros dichaetus Ehrenberg, 1844 accepted as Chaetoceros dichaeta Ehrenberg, 1844
Chaetoceros insignis Proschkina-Lavrenko, 1955 (uncertain > unassessed )
Chaetoceros schuttii Cleve accepted as Chaetoceros affinis Lauder, 1864
Chaetoceros similis Cleve, 1896
Chaetoceros socialis H.S.Lauder, 1864
Chaetoceros willei Gran, 1897 (uncertain > unassessed )
Corethron criophilum Castracane, 1886 (uncertain > unassessed )
Corethron hystrix Hensen, 1887 (uncertain > unassessed )
Corethron pennatum (Grunow) Ostenfeld, 1909
Coscinodiscus actinochilus Ehrenberg, 1844 (uncertain > unassessed )
Coscinodiscus dimorphus Castracane, 1886 (uncertain > unassessed )
Coscinodiscus eccentricus Ehrenberg, 1840 † (uncertain > unassessed )
Coscinodiscus gracilis Karsten, 1905 (uncertain > unassessed )
Coscinodiscus lentiginosus Janisch, 1874 accepted as Thalassiosira lentiginosa (Janisch) Fryxell, 1977 accepted as Coscinodiscus lentiginosus var. lentiginosus Janisch in Schmidt et al., 1878
Coscinodiscus lentiginosus var. lentiginosus Janisch in Schmidt et al., 1878 (uncertain > unassessed )
Coscinodiscus lineatus Ehrenberg, 1841 (uncertain > unassessed )
Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (uncertain > unassessed )
Coscinodiscus pseudodenticulatus Hustedt, 1958 (uncertain > unassessed )
Coscinodiscus stellaris Roper, 1858 accepted as Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986 accepted as Coscinodiscus stellaris var. stellaris Roper, 1858
Coscinodiscus stellaris Tempère & Peragallo, 1912 (uncertain > unassessed )
Coscinodiscus stellaris var. stellaris Roper, 1858 (uncertain > unassessed )
Coscinodiscus tabularis Grunow, 1884 accepted as Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986 accepted as Coscinodiscus tabularis var. tabularis Grunow, 1884
Coscinodiscus tabularis var. tabularis Grunow, 1884 (uncertain > unassessed )
Coscinodiscus tumidus Janisch, 1874 accepted as Thalassiosira tumida (Janisch) Hasle, 1971 accepted as Coscinodiscus tumidus var. tumidus Janisch in Schmidt et al., 1878
Coscinodiscus tumidus var. tumidus Janisch in Schmidt et al., 1878 (uncertain > unassessed )
Coscinosira oestrupii Ostenfeld, 1900 represented as Shionodiscus oestrupii (Ostenfeld) A.J.Alverson, S.H.Kang & E.C.Theriot, 2006
Dactyliosolen antarcticus Castracane, 1886 (uncertain > unassessed )
Dactyliosolen fragilissimus (Bergon) Hasle, 1996 accepted as Rhizosolenia fragilissima f. fragilissima Bergon, 1903
Dactyliosolen tenuijunctus (Manguin) Hasle, 1975 accepted as Rhizosolenia tenuijuncta Manguin, 1960
Ditylum brightwellii (T.West) Grunow, 1885 (uncertain > unassessed )
Eucampia antarctica (Castracane) Mangin, 1915 accepted as Moelleria antarctica Castracane, 1886 accepted as Neomoelleria antarctica (Castrac.) S.Blanco & C.E.Wetzel, 2016
Eupodiscus tesselatus Roper, 1858 represented as Roperia tesselata (Roper) Grunow ex Pelletan, 1889
Hemiaulus sinensis Greville, 1865 (uncertain > unassessed )
Hemidiscus cuneiformis Wallich, 1860
Lauderia glacialis (Grunow) Gran, 1900 accepted as Podosira hormoides var. glacialis Grunow, 1884
Leptocylindrus minimus Gran, 1915 (uncertain > unassessed )
Melosira costata Greville, 1866 (uncertain > unassessed )
Podosira hormoides (Mont.) Kutzing
Podosira hormoides var. glacialis Grunow, 1884 (uncertain > unassessed )
Porosira glacialis (Grunow) Jörgensen, 1905 (uncertain > unassessed )
Porosira pseudodenticulata (Hustedt) Jousé, 1962 accepted as Coscinodiscus pseudodenticulatus Hustedt, 1958
Proboscia alata (Brightwell) Sundström, 1986 (uncertain > unassessed )
Pseudosolenia calcar-avis (Schultze) B.G.Sundström, 1986
Rhizosolenia alata Brightwell, 1858 accepted as Proboscia alata (Brightwell) Sundström, 1986
Rhizosolenia alata f. gracillima (Cleve) Gran, 1908 accepted as Rhizosolenia gracillima Cleve, 1881
Rhizosolenia bergonii H.Peragallo, 1892
Rhizosolenia calcar-avis Schultze, 1858
Rhizosolenia faeroensis Ostenfeld, 1903 (uncertain > unassessed )
Rhizosolenia fragilissima Bergon, 1903 accepted as Dactyliosolen fragilissimus (Bergon) Hasle, 1996 accepted as Rhizosolenia fragilissima f. fragilissima Bergon, 1903
Rhizosolenia fragilissima f. fragilissima Bergon, 1903 (uncertain > unassessed )
Rhizosolenia gracillima Cleve, 1881 (uncertain > unassessed )
Rhizosolenia hebetata Bailey, 1856
Rhizosolenia hebetata f. semispina (Hensen) Gran, 1908 accepted as Rhizosolenia semispina Hensen, 1887
Rhizosolenia semispina Hensen, 1887 (uncertain > unassessed )
Rhizosolenia tenuijuncta Manguin, 1960 (uncertain > unassessed )
Roperia tesselata (Roper) Grunow ex Pelletan, 1889
Shionodiscus oestrupii (Ostenfeld) A.J.Alverson, S.H.Kang & E.C.Theriot, 2006
Skeletonema costatum (Greville) Cleve, 1873
Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986 accepted as Coscinodiscus stellaris var. stellaris Roper, 1858
Thalassiosira antarctica Comber, 1896 (uncertain > unassessed )
Thalassiosira eccentrica (Ehrenberg) Cleve, 1904 (uncertain > unassessed )
Thalassiosira fallax Meunier, 1910 (uncertain > unassessed )
Thalassiosira gracilis (Karsten) Hustedt, 1958 accepted as Coscinodiscus gracilis Karsten, 1905
Thalassiosira gravida Cleve, 1896
Thalassiosira lentiginosa (Janisch) Fryxell, 1977 accepted as Coscinodiscus lentiginosus var. lentiginosus Janisch in Schmidt et al., 1878
Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977 (uncertain > unassessed )
Thalassiosira lineata Jousé, 1968 (uncertain > unassessed )
Thalassiosira maculata G.A.Fryxell & J.R.Johansen, 1985 (uncertain > unassessed )
Thalassiosira oestrupii (Ostenfeld) Hasle, 1972 represented as Shionodiscus oestrupii (Ostenfeld) A.J.Alverson, S.H.Kang & E.C.Theriot, 2006
Thalassiosira trifulta G.Fryxell, 1979 (uncertain > unassessed )
Thalassiosira tumida (Janisch) Hasle, 1971 accepted as Coscinodiscus tumidus var. tumidus Janisch in Schmidt et al., 1878