Thalassiosira weissflogii (Grunow) G.A.Fryxell & Hasle
Thalassiosira weissflogii
A-C = Cleaned valves (arrowheads=labiate process) (A=PC, B&C=DIC); D = Cleaned valve (SEM)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Thalassiosira weissflogii
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A-C = Cleaned valves (arrowheads=labiate process) (A=PC, B&C=DIC); D = Cleaned valve (SEM)
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Synonym names
- Conticribra weissflogii
- Micropodiscus weissflogii Grunow
Description
- IDs in other systems
- Dyntaxa ID: 237290
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 32240
More info at http://algaebase.org - OMNIDIA code: TWEI
Used by many freshwater diatomists. See http://omnidia.free.fr/omnidia_english.htmand http://www.norbaf.net - REBECCA code: R0098
More info at http://www.freshwaterecology.info
- Dyntaxa ID: 237290
- 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 |  |
| 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
