Thalassiosira punctigera (Castracane) Hasle
Thalassiosira punctigera
Valve at three focal planes (arrowhead=occluded process, arrow=strutted processes. Courtesy of Agneta Persson.
Photographer/artist Agneta Persson
Additional image information
- Title
- Thalassiosira punctigera
- Photographer/artist
- Agneta Persson
- Copyright holder
- Agneta Persson
- Copyright stamp
- Agneta Persson
- Institute
- Dept. of Marine botany, University of Gothenburg
- Contributing organisation
- University of Gothenburg
- Contributor
- Bengt Karlson
- Caption
- Valve at three focal planes (arrowhead=occluded process, arrow=strutted processes. Courtesy of Agneta Persson.
- Geographic area
- Skagerrak - Swedish coast
- License
- Creative Commons Attribution-NoDerivs 3.0 Unported
- Technique
- Not described, Light microscopy
- Preservation
- Not described
- Contrast enhancement
- Not described
- Stain
- Not described, Sputter coated
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 237285
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 59631
More info at http://algaebase.org
- Dyntaxa ID: 237285
- Morphology
- Occluded processes, strutted processes and ribbed valve margin
- Other remarks
- Occluded processes may be missing
Distribution: Widely - Life form
- Solitary or chain-forming
- Size
- Diameter = 40-186 µm
- Literature
- Hasle, G. R. 1983a. Thalassiosira punctigera (Castr.) comb. nov., a widely distributed marine planktonic diatom. Nordic Journal of Botany. 3: 593-608.
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 punctigera |
---|---|
Author | (Castracane) Hasle 1983 |
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 | 40-50 | 50-60 | 60-70 |
Height(h), µm | 22.5 | 27.5 | 32.5 |
Diameter(d1), µm | 45.0 | 55.0 | 65.0 |
No. of cells/counting unit | 1 | 1 | 1 |
Calculated volume, µm3 | 35 767 | 65 302 | 107 790 |
Comment | * 6; HD fac.=0.5 | * 6; HD fac.=0.5 | * 6; HD fac.=0.5 |
Calculated Carbon pg/counting unit | 1 420 | 2 314 | 3 474 |
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 09:31:48 Regina Hansen - Updated media metadata for Thalassiosira punctigera_6.jpg
- 2013-05-14 09:31:09 Regina Hansen - Added media: Thalassiosira punctigera_6.jpg
- 2012-10-24 13:21:12 Ann-Turi Skjevik - Updated media metadata for Thalassiosira punctigera_4.jpg
- 2012-10-24 13:17:48 Ann-Turi Skjevik - Added media: Thalassiosira punctigera_4.jpg
- 2012-10-24 13:15:33 Ann-Turi Skjevik - Deleted media: Thalassiosira punctigera_4.jpg
- 2012-10-05 15:07:02 Ann-Turi Skjevik - Updated media metadata for Thalassiosira punctigera_5.jpg
- 2012-10-05 15:06:58 Ann-Turi Skjevik - Added media: Thalassiosira punctigera_5.jpg
- 2012-10-05 15:06:44 Ann-Turi Skjevik - Updated media metadata for Thalassiosira punctigera_4.jpg
- 2012-10-05 15:05:47 Ann-Turi Skjevik - Added media: Thalassiosira punctigera_4.jpg
- 2012-10-05 15:05:35 Ann-Turi Skjevik - Deleted media: Thalassiosira punctigera_4.jpg
- 2012-10-05 14:57:26 Ann-Turi Skjevik - Updated media metadata for Thalassiosira punctigera_4.jpg
- 2012-10-05 14:56:51 Ann-Turi Skjevik - Added media: Thalassiosira punctigera_4.jpg
- 2011-09-25 07:07:16 Bengt Karlson - Updated media metadata for Thalassiosira punctigera_3.gif
- 2011-09-25 07:06:35 Bengt Karlson - Added media: Thalassiosira punctigera_3.gif
- 2011-09-25 07:05:47 Bengt Karlson - Updated media metadata for Thalassiosira punctigera_2.gif
- 2011-09-25 07:04:37 Bengt Karlson - Updated media metadata for Thalassiosira punctigera_2.gif
- 2011-09-25 07:03:33 Bengt Karlson - Added media: Thalassiosira punctigera_2.gif