• Coscinodiscus alboranii Pavillard, 1925 (uncertain > unassessed)
• Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878 (uncertain > unassessed)
• Coscinodiscus centralis Ehrenberg, 1844 (uncertain > unassessed)
• Coscinodiscus eccentricus Ehrenberg, 1840 † (uncertain > unassessed)
• Coscinodiscus granii Gough, 1905
• Coscinodiscus increscens Karsten, 1907 (uncertain > unassessed)
• Coscinodiscus nodulifer A.W.F.Schmidt, 1878 represented as Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986
• Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (uncertain > unassessed)
• Coscinodiscus radiatus Ehrenberg, 1840 (uncertain > unassessed)
• Coscinodiscus sol C.G.Wallich, 1860 (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 thorii Pavillard, 1925 (uncertain > unassessed)
• Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986 accepted as Coscinodiscus stellaris var. stellaris Roper, 1858