Chaetoceros curvisetus P.T. Cleve, 1889

View image in original size

Chaetoceros curvisetus

Photographer/artist Regina Hansen

Additional image information

Chaetoceros curvisetus
Regina Hansen
Contributing organisation
Regina Hansen
Creative Commons Attribution-NoDerivs 3.0 Unported
Image galleries


IDs in other systems
Tropic type
Chains spirally twisted, basal part of setae indistinct or missing, setae extending outward from the spiral, resting spore
Other remarks

Distribution: Worldwide
Life form
Cells united in chains
Diameter = 6-40 µm
Resting spore
Cupp, E. E. 1943. Marine Plankton Diatoms of the West Coast of North America. Bulletin of the Scripps Inst. Oceanogr. of the University of California. 5: 1-237.
Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme Verlag, Stuttgart. 186 pp.
Hasle, G. R. & Syvertsen, E. E. 1996. Marine diatoms. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 5-385.
Rines, J. E. B. & Hargraves, P. E. 1988. The Chaetoceros Ehrenberg (Bacillariophyceae) flora of Narragansett Bay, Rhode Island, USA. Bibliotheca Phycologica 79: 1-196
Sundström, B. 1973. Chaetoceros arter i Öresund. MSc. Thesis Univ. of Lund. 77 pp.


Species Chaetoceros curvisetus
Author P.T. Cleve 1889
Class Diatomophyceae (Bacillariophyceae)
Trophy AU
Geometric shape oval cylinder
Formula p/4*d1*d2*h
Size class 1 2 3
Unit cell cell cell
Size range 15x15 25x16 30x20
Height(h), µm 15.0 16.0 20.0
Diameter(d1), µm 15.0 25.0 30.0
Diameter(d2), µm 7.5 12.5 15.0
No. of cells/counting unit 1 1 1
Calculated volume, µm3 1 325 3 925 7 065
Comment HD fac.=0.5 HD fac.=0.5 HD fac.=0.5
Calculated Carbon pg/counting unit 98 237 381


Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I. and Niemkiewicz, E. 2006 Biovolumes and size-classes of phytoplankton in the Baltic Sea HELCOM Balt.Sea Environ. Proc. No. 106, 144pp. (PDF),

Change History

  • 2013-05-14 07:05:34 Regina Hansen - Updated media metadata for Chaetoceros curvisetus_4.jpg
  • 2013-05-14 07:04:44 Regina Hansen - Added media: Chaetoceros curvisetus_4.jpg
  • 2011-12-05 15:57:56 Malin Mohlin - Updated media metadata for Chaetoceros curvisetus_3.jpg
  • 2011-12-05 15:57:32 Malin Mohlin - Added media: Chaetoceros curvisetus_3.jpg
  • 2011-12-05 15:57:10 Malin Mohlin - Updated media metadata for Chaetoceros curvisetus_2.JPG
  • 2011-12-05 15:56:23 Malin Mohlin - Added media: Chaetoceros curvisetus_2.JPG