Coscinodiscus radiatus Ehrenberg, 1841 (1839)

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Coscinodiscus radiatus

Valve in inside view (SEM)

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Coscinodiscus radiatus
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Copyright stamp
Maria Kuylenstierna
Institute
Dept. of Marine botany, University of Gothenburg
Contributing organisation
University of Gothenburg
Contributor
Bengt Karlson
Caption
Valve in inside view (SEM)
Geographic area
Skagerrak - Swedish coast
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
SEM Scanning Electron Microscopy
Preservation
Not described
Contrast enhancement
Not described
Stain
Sputter coated
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Synonym names

  • Azpeitia nodulifera

Description

IDs in other systems
Tropic type
A
Morphology
Flat cells with large uniform areolae in radial rows throughout the entire valve face
Other remarks

Distribution: Worldwide
Life form
Solitary
Size
Diameter = 30-180 µm
Literature
Hasle, G. & Sims, P. A. 1986a. The diatom genus Coscinodiscus Ehrenb.: C. argus Ehrenb. and C. radiatus Ehrenb. Botanica Marina. 29: 305-318.
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.
Hendey, N. I. 1964. An introductory account of the smaller algae of British coastal waters. Part 5: Bacillariophyceae (Diatoms). HSMO, London. 317 pp.

Biovolumes

Species Coscinodiscus radiatus
Author Ehrenberg 1841
Division CHRYSOPHYTA (HETEROKONTOPHYTA)
Class Diatomophyceae (Bacillariophyceae)
Order EUPODISCALES (BIDDULPHIALES, CENTRALES)
Trophy AU
Geometric shape cylinder
Formula p/4*d^2*h
Size class 1 2 3 4 5 6 7 8 9
Unit cell cell cell cell cell cell cell cell cell
Size range 30-40 40-50 50-60 60-70 70-90 90-110 110-130 130-150 180
Height(h), µm 20.0 30.0 30.0 35.0 35.0 30.0 30.0 30.0 20.0
Diameter(d1), µm 35.0 45.0 55.0 65.0 80.0 100.0 120.0 140.0 180.0
No. of cells/counting unit 1 1 1 1 1 1 1 1 1
Calculated volume, µm3 19 233 47 689 71 239 116 082 175 840 235 500 339 120 461 580 508 680
Comment 6 6 6 6 6 6 6 6 6
Calculated Carbon pg/counting unit 859 1 793 2 483 3 689 5 166 6 548 8 801 11 300 12 227

Source

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),
PEG_BVOL.zip

Change History

  • 2018-09-28 06:05:49 Johanne Arff - Updated media metadata for Coscinodiscus radiatus_8.jpg
  • 2018-09-27 07:53:32 Johanne Arff - Updated media metadata for Coscinodiscus radiatus_8.jpg
  • 2018-09-27 07:39:46 Johanne Arff - Updated media metadata for Coscinodiscus radiatus_8.jpg
  • 2018-09-27 07:37:47 Johanne Arff - Added media: Coscinodiscus radiatus_8.jpg
  • 2014-03-27 07:15:29 Susanne Busch - Updated media metadata for Coscinodiscus radiatus_7.jpg
  • 2014-03-27 07:14:44 Susanne Busch - Added media: Coscinodiscus radiatus_7.jpg
  • 2013-05-06 11:49:57 Malin Mohlin - Updated media metadata for Coscinodiscus radiatus_6.jpg
  • 2013-05-06 11:49:16 Malin Mohlin - Added media: Coscinodiscus radiatus_6.jpg
  • 2012-10-04 10:51:50 Ann-Turi Skjevik - Updated media metadata for Coscinodiscus radiatus_5.jpg
  • 2012-10-04 10:51:22 Ann-Turi Skjevik - Added media: Coscinodiscus radiatus_5.jpg
  • 2012-09-17 15:50:52 Ann-Turi Skjevik - Updated media metadata for Coscinodiscus radiatus_4.jpg
  • 2012-09-17 15:50:06 Ann-Turi Skjevik - Added media: Coscinodiscus radiatus_4.jpg
  • 2012-02-21 13:05:18 Ann-Turi Skjevik - Updated media metadata for Coscinodiscus radiatus_3.jpg
  • 2012-02-21 13:04:02 Ann-Turi Skjevik - Added media: Coscinodiscus radiatus_3.jpg
  • 2011-09-23 20:32:50 Bengt Karlson - Updated media metadata for Coscinodiscus radiatus_2.gif
  • 2011-09-23 20:30:26 Bengt Karlson - Added media: Coscinodiscus radiatus_2.gif