Thalassiosira rotula Meunier, 1910
Thalassiosira rotula
A = Chain at two focal planes; B = Two living cells in valve view and girdle view (arrow=special band); C = Cleaned valve (DIC)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Thalassiosira rotula
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A = Chain at two focal planes; B = Two living cells in valve view and girdle view (arrow=special band); C = Cleaned valve (DIC)
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 237286
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 33071
More info at http://algaebase.org
- Dyntaxa ID: 237286
- Tropic type
- A
- Morphology
- Structure of valve face and band next to valvocopula
- Other remarks
- T. gravida and T. rotula may be the same species (Syvertsen 1977)
Distribution: Widely - Life form
- Cells united in chains
- Size
- 8-55 µm
- Literature
- 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.
Syvertsen, E. E. 1977. Thalassiosira rotula and T. gravida : Ecology and morphology. Beih. zur Nova Hedwigia. 54: 99-112.
Biovolumes
| Species | Thalassiosira rotula |
|---|---|
| Author | Meunier 1910 |
| 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 |
|---|---|---|---|---|---|
| Unit | cell | cell | cell | cell | cell |
| Size range | 40 | 10-20 | 20-30 | 30-40 | 40-50 |
| Height(h), µm | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Diameter(d1), µm | 40.0 | 15.0 | 25.0 | 35.0 | 45.0 |
| No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 |
| Calculated volume, µm3 | 15 072 | 2 120 | 5 888 | 11 540 | 19 076 |
| Comment | 6 | 6 | 6 | 6 | 6 |
| Calculated Carbon pg/counting unit | 705 | 144 | 329 | 567 | 853 |
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
- 2013-05-14 09:32:58 Regina Hansen - Updated media metadata for Thalassiosira rotula_6.jpg
- 2013-05-14 09:32:21 Regina Hansen - Added media: Thalassiosira rotula_6.jpg
- 2012-10-05 15:09:00 Ann-Turi Skjevik - Updated media metadata for Thalassiosira rotula_5.jpg
- 2012-10-05 15:08:50 Ann-Turi Skjevik - Added media: Thalassiosira rotula_5.jpg
- 2012-10-05 15:08:36 Ann-Turi Skjevik - Updated media metadata for Thalassiosira rotula_4.jpg
- 2012-10-05 15:08:01 Ann-Turi Skjevik - Added media: Thalassiosira rotula_4.jpg
- 2012-09-24 14:33:17 Ann-Turi Skjevik - Updated media metadata for Thalassiosira rotula_3.jpg
- 2012-09-24 14:33:06 Ann-Turi Skjevik - Added media: Thalassiosira rotula_3.jpg
- 2011-09-25 07:10:45 Bengt Karlson - Updated media metadata for Thalassiosira rotula_2.gif
- 2011-09-25 07:09:59 Bengt Karlson - Added media: Thalassiosira rotula_2.gif
