1. Species Chaetoceros affinis Lauder, 1864
2. Species Chaetoceros anastomosans Grunow, 1882
3. Species Chaetoceros atlanticus Cleve, 1873
4. Species Chaetoceros borealis Bailey, 1854
5. Species Chaetoceros brevis F.Schütt, 1895
6. Species Chaetoceros cinctus Gran, 1897
7. Species Chaetoceros coarctatus Lauder, 1864
8. Species Chaetoceros compressus Lauder, 1864
9. Species Chaetoceros constrictus Gran, 1897
10. Species Chaetoceros convolutus Castracane, 1886
11. Species Chaetoceros crinitus F.Schütt, 1895
12. Species Chaetoceros curvisetus Cleve, 1889
13. Species Chaetoceros dadayi Pavillard, 1913
14. Species Chaetoceros debilis Cleve, 1894 emend Xu, Y.Li & Lundholm in Xu et al., 2020
15. Species Chaetoceros decipiens Cleve, 1873
16. Species Chaetoceros densus (Cleve) Cleve, 1899
17. Species Chaetoceros denticulatus
18. Species Chaetoceros dichaeta Ehrenberg, 1844
19. Species Chaetoceros didymus Ehrenberg, 1845
20. Species Chaetoceros diversus Cleve, 1873
21. Species Chaetoceros holsaticus F.Schütt, 1895
22. Species Chaetoceros imbricatus Mangin, 1912
23. Species Chaetoceros laciniosus F.Schütt, 1895
24. Species Chaetoceros lorenzianus Grunow, 1863
25. Species Chaetoceros muelleri Lemmermann, 1898
26. Species Chaetoceros pelagicus Cleve
27. Species Chaetoceros pendulus Karsten, 1905
28. Species Chaetoceros peruvianum Brightwell, 1856
29. Species Chaetoceros pseudocrinitus Ostenfeld, 1901
30. Species Chaetoceros schuettii Cleve
31. Species Chaetoceros similis Cleve, 1896
32. Species Chaetoceros socialis H.S.Lauder, 1864
33. Species Chaetoceros teres Cleve, 1896
34. Species Chaetoceros wighamii Brightwell, 1856
35. Species Chaetoceros dichaetus Ehrenberg, 1844 accepted as Chaetoceros dichaeta Ehrenberg, 1844 (incorrect genus gender agreement)
36. Species Chaetoceros messanensis Castracane, 1875 accepted as Chaetoceros messanense Castracane, 1875
37. Species Chaetoceros paradoxus Peragallo, 1897 accepted as Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (Synonym)
38. Species Chaetoceros polygonus Schütt, 1895 accepted as Chaetoceros atlanticus Cleve, 1873
39. Species Chaetoceros aequatorialis Cleve, 1873 (uncertain > unassessed)
40. Species Chaetoceros anglicus Grunow in Van Heurck, 1882 (uncertain > unassessed)
41. Species Chaetoceros aurivillii Cleve, 1901 (uncertain > unassessed)
42. Species Chaetoceros bacteriastroides G.H.H.Karsten, 1907 (uncertain > unassessed)
43. Species Chaetoceros borgei Lemmermann, 1904 (uncertain > unassessed)
44. Species Chaetoceros castracanei Karsten, 1905 (uncertain > unassessed)
45. Species Chaetoceros coronatus Gran, 1897 (uncertain > unassessed)
46. Species Chaetoceros costatus Pavillard, 1911 (uncertain > unassessed)
47. Species Chaetoceros danicus Cleve, 1889 (uncertain > unassessed)
48. Species Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (uncertain > unassessed)
49. Species Chaetoceros dipyrenops A.F.Meunier, 1913 (uncertain > unassessed)
50. Species Chaetoceros distans Cleve, 1873 (uncertain > unassessed)
51. Species Chaetoceros eibenii Grunow, 1882 (uncertain > unassessed)
52. Species Chaetoceros femur Schütt, 1895 (uncertain > unassessed)
53. Species Chaetoceros glandazi Mangin, 1910 (uncertain > unassessed)
54. Species Chaetoceros hirundinellus Qian, 1979 (uncertain > unassessed)
55. Species Chaetoceros indicus Subrahmanyan, 1946 (uncertain > unassessed)
56. Species Chaetoceros lauderi Ralfs, 1864 (uncertain > unassessed)
57. Species Chaetoceros messanense Castracane, 1875 (uncertain > unassessed)
58. Species Chaetoceros pseudoaurivillii Ikari, 1926 (uncertain > unassessed)
59. Species Chaetoceros pseudocurvisetus Mangin, 1910 (uncertain > unassessed)
60. Species Chaetoceros pseudodichaeta J.Ikari, 1926 (uncertain > unassessed)
61. Species Chaetoceros radians F.Schütt, 1895 (uncertain > unassessed)
62. Species Chaetoceros radicans F.Schütt, 1895 (uncertain > unassessed)
63. Species Chaetoceros rostratus Ralfs, 1864 (uncertain > unassessed)
64. Species Chaetoceros saltans Cleve, 1897 (uncertain > unassessed)
65. Species Chaetoceros seiracanthus Gran, 1897 (uncertain > unassessed)
66. Species Chaetoceros siamense Ostenfeld, 1902 (uncertain > unassessed)
67. Species Chaetoceros skeleton F.Schütt, 1895 (uncertain > unassessed)
68. Species Chaetoceros tetrastichon Cleve, 1897 (uncertain > unassessed)
69. Species Chaetoceros tortissimus Gran, 1900 (uncertain > unassessed)
70. Species Chaetoceros vanheurckii Gran, 1897 (uncertain > unassessed)
71. Species Chaetoceros weissflogii F.Schütt, 1905 (uncertain > unassessed)
72. Species Chaetoceros willei Gran, 1897 (uncertain > unassessed)
73. Species Chaetoceros xishaensis Guo, Ye & Zhou, 1978 (uncertain > unassessed)

marine, brackish, fresh, terrestrial

recent + fossil

Ehrenberg, C.G. (1844). Einige vorläufige Resultate seiner Untersuchungen der ihm von der Südpolreise des Capitain Rofs, so wie von den Herren Schayer und Darwin zugekommenen Materialien über das Verhalten des kleinsten lebens in den Oceanen und den gröfsten bisher zugänglichen Tiefen des Weltmeers. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich-Preussischen Akademie der Wissenschaften zu Berlin, 1844: 182-207 [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. Chaetoceros C.G. Ehrenberg, 1844. Accessed through: Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025) Chinese Register of Marine Species at: https://marinespecies.org/charms/aphia.php?p=taxdetails&id=148985 on 2025-05-30

Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025). Chinese Register of Marine Species. Chaetoceros C.G. Ehrenberg, 1844. Accessed at: https://marinespecies.org/charms/aphia.php?p=taxdetails&id=148985 on 2025-05-30

[taxonomic tree]