Thalassiosira weissflogii (Grunow) G.A.Fryxell & Hasle

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Thalassiosira weissflogii

Photographer/artist Hanna Mossfeldt

Additional image information

Title
Thalassiosira weissflogii
Photographer/artist
Hanna Mossfeldt
Copyright holder
Hanna Mossfeldt
Institute
University of Gothenburg
Contributor
Ann-Turi Skjevik
Sampling date
2006-03-07
Location
Culture (GUMACC)
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
No preservation
Contrast enhancement
Not described
Stain
Not described

Synonym names

  • Conticribra weissflogii
  • Micropodiscus weissflogii Grunow

Description

IDs in other systems
Tropic type
A
Morphology
Meshwork on valve (SEM) and ring of central strutted processes
Other remarks
Found at localities with low salinities
Distribution: Widely
Life form
Solitary (chains)
Size
Diameter = 5-32 µm
Literature
Fryxell, G. & Hasle, G. R. 1977. The genus Thalassiosira: Some species with a modified ring of central strutted processes. Beih. zur Nova Hedwigia. 54: 67-89.
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.
Takano, H. 1990. Diatoms. In “Red tide organisms in Japan-An illustrated taxonomic guide”. (Y. Fukuyo, H. Takano, M. Chihara & K. Matsuoka eds). Uchida Rokakuho, Tokyo, p. 162-331.

Biovolumes

Species Thalassiosira weissflogii
Author (Grunow in Van Heurck) G. Fryxell & Hasle 1977
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
Unit cell cell cell
Size range 12-15 15-18 18-22
Height(h), µm 10.0 14.0 15.0
Diameter(d1), µm 13.0 16.0 20.0
No. of cells/counting unit 1 1 1
Calculated volume, µm3 1 327 2 813 4 710
Comment 6 6 6
Calculated Carbon pg/counting unit 98 181 274

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

  • 2012-11-15 12:39:27 Ann-Turi Skjevik - Updated media metadata for Thalassiosira weissflogii_5.jpg
  • 2012-11-15 12:26:11 Ann-Turi Skjevik - Added media: Thalassiosira weissflogii_5.jpg
  • 2012-08-29 14:54:28 Ann-Turi Skjevik - Updated media metadata for Thalassiosira weissflogii_4.JPG
  • 2012-08-29 14:54:04 Ann-Turi Skjevik - Added media: Thalassiosira weissflogii_4.JPG
  • 2012-08-29 14:53:52 Ann-Turi Skjevik - Updated media metadata for Thalassiosira weissflogii_3.JPG
  • 2012-08-29 14:53:19 Ann-Turi Skjevik - Added media: Thalassiosira weissflogii_3.JPG
  • 2011-09-25 07:13:30 Bengt Karlson - Updated media metadata for Thalassiosira weissflogii_2.gif
  • 2011-09-25 07:11:55 Bengt Karlson - Added media: Thalassiosira weissflogii_2.gif