Thalassiosira punctigera (Castracane) Hasle

Thalassiosira punctigera
A = Two living cells united with a thin connecting thread (=arrowhead) (BF); B = Cell in valve view; C = Frustule in girdle view (arrow=Occluded process)
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Thalassiosira punctigera
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributor
- Bengt Karlson
- Caption
- A = Two living cells united with a thin connecting thread (=arrowhead) (BF); B = Cell in valve view; C = Frustule in girdle view (arrow=Occluded process)
- 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