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
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 )
Hemidiscus cuneiformis Wallich, 1860
Melosira costata Greville, 1866 (uncertain > unassessed )
Podosira hormoides (Mont.) Kutzing
Podosira hormoides var. glacialis Grunow, 1884 (uncertain > unassessed )
Roperia tesselata (Roper) Grunow ex Pelletan, 1889
Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986 accepted as Coscinodiscus stellaris var. stellaris Roper, 1858