Thalassiosira eccentrica (Ehrenberg) P.T. Cleve, 1903-1904
Thalassiosira eccentrica
A = Valve face; B = Girdle and valve with spines and labiate process (=arrowhead); C = Marginal zone of valve with strutted processes (=arrows) (SEM).
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Thalassiosira eccentrica
- 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
- A = Valve face; B = Girdle and valve with spines and labiate process (=arrowhead); C = Marginal zone of valve with strutted processes (=arrows) (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
Description
- IDs in other systems
- Dyntaxa ID: 237263
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 39923
More info at http://algaebase.org
- Dyntaxa ID: 237263
- Tropic type
- A
- Morphology
- Marginal spines and areola pattern
- Other remarks
Distribution: Worldwide- Life form
- Solitary or cells united in chains
- Size
- Diameter 15-110 µm
- Literature
- Fryxell, G. & Hasle, G. R. 1972. Thalassiosira eccentrica (Ehrenb.) Cleve, T. symmetrica sp. nov., and some related centric diatoms. J. Phyc. 8: 297-317.
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 eccentrica |
---|---|
Author | (Ehrenberg) P.T. Cleve 1903 |
Division | CHRYSOPHYTA (HETEROKONTOPHYTA) |
Class | Diatomophyceae (Bacillariophyceae) |
Order | EUPODISCALES (BIDDULPHIALES, CENTRALES) |
Trophy | AU |
Geometric shape | |
Formula | p/4*d^2*h |
Size class | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
---|---|---|---|---|---|---|---|
Unit | cell | cell | cell | cell | cell | cell | cell |
Size range | 30 | 135 | 40-50 | 50-60 | 60-70 | 70-90 | 90-110 |
Height(h), µm | 24.0 | 25.0 | 22.5 | 27.5 | 19.5 | 24.0 | 30.0 |
Diameter(d1), µm | 30.0 | 135.0 | 45.0 | 55.0 | 65.0 | 80.0 | 100.0 |
No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Calculated volume, µm3 | 16 956 | 357 666 | 35 767 | 65 302 | 64 674 | 120 576 | 235 500 |
Comment | 6 | 6 | 6; HD fac.=0.5 | 6; HD fac.=0.5 | 6; HD fac.=0.3 | 6; HD fac.=0.3 | 6; HD fac.=0.3 |
Calculated Carbon pg/counting unit | 775 | 9 189 | 1 420 | 2 314 | 2 296 | 3 804 | 6 548 |
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
- 2011-09-25 06:52:59 Bengt Karlson - Updated media metadata for Thalassiosira eccentrica_3.gif
- 2011-09-25 06:51:44 Bengt Karlson - Added media: Thalassiosira eccentrica_3.gif
- 2011-09-25 06:51:25 Bengt Karlson - Updated media metadata for Thalassiosira eccentrica_2.gif
- 2011-09-25 06:49:35 Bengt Karlson - Added media: Thalassiosira eccentrica_2.gif