1. Species Coscinodiscus apiculatus Ehrenberg, 1844
2. Species Coscinodiscus concinnus W.Smith, 1856
3. Species Coscinodiscus curvatulus Grunow ex A.Schmidt, 1878
4. Species Coscinodiscus granii Gough, 1905
5. Species Coscinodiscus kuetzingii A.Schmidt, 1878
6. Species Coscinodiscus nitidus W.Gregory, 1857
7. Species Coscinodiscus obscurus A.Schmidt, 1878
8. Species Coscinodiscus oculus Ehrenberg, 1840
9. Species Coscinodiscus perforatus Ehrenberg, 1844
10. Species Coscinodiscus rothii (Ehrenberg) Grunow
11. Species Coscinodiscus anguste-lineatus A.Schmidt, 1878 accepted as Thalassiosira anguste-lineata (A.Schmidt) G.Fryxell & Hasle, 1977 accepted as Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878 (basionym)
12. Species Coscinodiscus commutatus Grunow, 1884 accepted as Coscinodiscopsis commutata (Grunow) E.A.Sar & I.Sunesen, 2008 (unaccepted > junior objective synonym)
13. Species Coscinodiscus granulosus Grunow accepted as Ehrenbergiulva granulosa (Grunow in Cleve & Grunow) Witkowski, Lange-Bertalot & Metzeltin in Witkowski & Lange-Bertalot, 2004 accepted as Coscinodiscus granulosus var. granulosus Grunow in Cleve & Grunow, 1880 (synonym)
14. Species Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 accepted as Coscinodiscopsis jonesiana (Greville) E.A.Sar & I.Sunesen, 2008
15. Species Coscinodiscus kützingii A.Schmidt, 1878 accepted as Actinocyclus kützingii (A.Schmidt) Simonsen (synonym)
16. Species Coscinodiscus leptopus Grunow, 1883 accepted as Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977 (basionym)
17. Species Coscinodiscus oculusiridis Ehrenberg, 1840 accepted as Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (spelling variation)
18. Species Coscinodiscus stellaris Roper, 1858 accepted as Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986 accepted as Coscinodiscus stellaris var. stellaris Roper, 1858 (synonym)
19. Species Coscinodiscus symbolophorus Grunow, 1884 accepted as Stellarima microtrias (Ehrenberg) G.R.Hasle & P.A.Sims, 1986 accepted as Symbolophora microtrias Ehrenberg, 1844
20. Species Coscinodiscus nodulifer A.W.F.Schmidt, 1878 represented as Azpeitia nodulifera (A.W.F.Schmidt) G.A.Fryxell & P.A.Sims, 1986 (Homotypic Synonym)
21. Species Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878 (uncertain > unassessed)
22. Species Coscinodiscus argus Ehrenberg, 1839 (uncertain > unassessed)
23. Species Coscinodiscus asteromphalus Ehrenberg, 1844 (uncertain > unassessed)
24. Species Coscinodiscus balticus (Grunow) Grunow ex Cleve, 1891 accepted as Coscinodiscus polyacanthus var. baltica Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
25. Species Coscinodiscus bathyomphalus Cleve, 1883 (uncertain > unassessed)
26. Species Coscinodiscus centralis Ehrenberg, 1844 (uncertain > unassessed)
27. Species Coscinodiscus condensatus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira condensata Cleve, 1900 (uncertain > unassessed)
28. Species Coscinodiscus decrescens Grunow, 1878 accepted as Charcotiella grunowii S.Blanco & C.E.Wetzel, 2016 (uncertain > unassessed)
29. Species Coscinodiscus divisus Grunow, 1878 (uncertain > unassessed)
30. Species Coscinodiscus eccentricus Ehrenberg, 1840 † (uncertain > unassessed)
31. Species Coscinodiscus gracilis Karsten, 1905 (uncertain > unassessed)
32. Species Coscinodiscus gravidus (Cleve) Cleve-Euler, 1951 accepted as Thalassiosira gravida f. gravida Cleve, 1896 (uncertain > unassessed)
33. Species Coscinodiscus hyalinus Grunow, 1880 (uncertain > unassessed)
34. Species Coscinodiscus hyperboreus Grunow accepted as Coscinodiscus lacustris var. hyperborea (Grunow) Rattray, 1890 (uncertain > unassessed)
35. Species Coscinodiscus kryophilus Grunow, 1884 (uncertain > unassessed)
36. Species Coscinodiscus lacunosus A. Berg, 1952 (uncertain > unassessed)
37. Species Coscinodiscus lacustris Grunow (uncertain > unassessed)
38. Species Coscinodiscus levanderi (Van Goor) Cleve-Euler, 1951 accepted as Thalassiosira levanderi van Goor, 1924 (uncertain > unassessed)
39. Species Coscinodiscus lineatus Ehrenberg, 1841 (uncertain > unassessed)
40. Species Coscinodiscus marginatus Ehrenberg, 1844 (uncertain > unassessed)
41. Species Coscinodiscus neoradiatus Cleve-Euler, 1941 (uncertain > unassessed)
42. Species Coscinodiscus nobilis Grunow, 1879 (uncertain > unassessed)
43. Species Coscinodiscus nordenskioeldii (P.T. Cleve) Cleve-Euler, 1951 accepted as Thalassiosira nordenskioeldii f. nordenskioeldii Cleve, 1873 (uncertain > unassessed)
44. Species Coscinodiscus normanii Gregory ex Greville, 1859 (uncertain > unassessed)
45. Species Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (uncertain > unassessed)
46. Species Coscinodiscus pavillardii Forti, 1922 (uncertain > unassessed)
47. Species Coscinodiscus polyacanthus auct. (uncertain > unassessed)
48. Species Coscinodiscus polychordus Gran, 1897 (uncertain > unassessed)
49. Species Coscinodiscus radiatus Ehrenberg, 1840 (uncertain > unassessed)
50. Species Coscinodiscus rotulus (A.F.Meunier) Cleve-Euler, 1951 accepted as Thalassiosira rotula Meunier, 1910 accepted as Thalassiosira gravida Cleve, 1896 (uncertain > unassessed)
51. Species Coscinodiscus sol C.G.Wallich, 1860 (uncertain > unassessed)
52. Species Coscinodiscus stellaris Tempère & Peragallo, 1912 (uncertain > unassessed)
53. Species Coscinodiscus striatus Kützing, 1844 (uncertain > unassessed)
54. Species Coscinodiscus subbulliens E.G.Jörgensen, 1905 (uncertain > unassessed)
55. Species Coscinodiscus sublineatus Grunow, 1884 (uncertain > unassessed)
56. Species Coscinodiscus subsalsus Juhlin-Dannfelt, 1882 (uncertain > unassessed)
57. Species Coscinodiscus subtilis Ehrenberg, 1841 (uncertain > unassessed)
58. Species Coscinodiscus trioculatus F.J.R.Taylor, 1966 (uncertain > unassessed)
59. Species Coscinodiscus wailesii Gran & Angst, 1931 (uncertain > unassessed)

marine, brackish, fresh, terrestrial

Ehrenberg, C.G. (1839). Die Bildung der europäischen, libyschen und arabischen Kreidefelsen und des Kreidemergels aus mikroskopischen Organismen. 1-91, pls. 1-4. Druckerei der Königlichen Akademie der Wissenschaften, Berlin., available online at https://docnum.unistra.fr/digital/collection/coll13/id/102621
page(s): 128 [details] 

Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2025). DiatomBase. Coscinodiscus C.G. Ehrenberg, 1839. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://marbef.org/data/aphia.php?p=taxdetails&id=148917 on 2025-05-09

Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Coscinodiscus C.G. Ehrenberg, 1839. Accessed at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=148917 on 2025-05-09

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[taxonomic tree]