Heterocapsa triquetra (Ehrenberg) Stein, 1883
Heterocapsa triquetra
Photographer/artist Seija Hällfors
Additional image information
- Title
- Heterocapsa triquetra
- Photographer/artist
- Seija Hällfors
- Copyright holder
- Seija Hällfors
- Institute
- SYKE
- Contributor
- Ann-Turi Skjevik
- Location
- Baltic Sea
- License
- Creative Commons Attribution-NoDerivs 3.0 Unported
- Technique
- Light microscopy
- Preservation
- Not described
- Contrast enhancement
- Not described
- Stain
- Not described
Description
- IDs in other systems
- Dyntaxa ID: 238168
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 52427
More info at http://algaebase.org
- Dyntaxa ID: 238168
- Tropic type
- A
- Morphology
- A large pyrenoid and 2''''-plate often with a characteristic protrusion
- Other remarks
Distribution: Worldwide- Life form
- Solitary
- Size
- length c. 30 µm, width c. 20 µm
- Culture collections
-
SCCAP
The Scandinavian Culture Collection of Algae and Protozoa at the University of Copenhagen
More info at http://www.sccap.dk.
Strains: K-0447, K-1131, K-1124, K-1125, K-0482, K-1127, K-1134, K-1129 - Literature
- Hansen, G. & Larsen, J. 1992. Dinoflagellater i danske farvande. In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande. Havforskning fra Miljøstyrelsen, Copenhagen, p. 45-155.
Morrill, L. C. & Loeblich III, A. R. 1981. A survey for body scales in the dinoflagellates and a revision of Cachonina and Heterocapsa (Pyrrophyta). J. Plank. Res. 3: 53-65:
Pennick, N. C. & Clarke, K. J. 1977. ”˜The occurrence of scales in the peridinian dinoflagellate Heterocapsa triquetra (Ehrenb.) Stein’. Br. Phycol. J., 12: 63-66.
Steidinger, K. A. & Tangen, K. 1996. Dinoflagellates. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 387-584.
Biovolumes
Species | Heterocapsa triquetra |
---|---|
Author | (Ehrenberg) Stein 1883 |
Division | DINOPHYTA (PYRROPHYTA) |
Class | Dinophyceae |
Order | PERIDINIALES |
Trophy | MX |
Geometric shape | |
Formula | p/12*d^2*h |
Size class | 1 | 2 | 3 | 4 | 5 | 6 |
---|---|---|---|---|---|---|
Unit | cell | cell | cell | cell | cell | cell |
Size range | 15-17x8 | 17-19x11 | 19-21x14-15 | 22-24x15 | 25-28x17-21 | 32-34x21-23 |
Height(h), µm | 16.0 | 18.0 | 20.0 | 23.0 | 27.0 | 33.0 |
Diameter(d1), µm | 8.0 | 11.0 | 14.5 | 15.0 | 19.0 | 22.0 |
No. of cells/counting unit | 1 | 1 | 1 | 1 | 1 | 1 |
Calculated volume, µm3 | 268 | 570 | 1 100 | 1 354 | 2 550 | 4 179 |
Calculated Carbon pg/counting unit | 41 | 84 | 155 | 188 | 341 | 543 |
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
- 2015-04-08 12:12:29 Susanne Busch - Updated media metadata for Heterocapsa triquetra_8.jpg
- 2015-04-08 12:11:48 Susanne Busch - Added media: Heterocapsa triquetra_8.jpg
- 2014-09-26 14:57:50 Janina Kownacka - Updated media metadata for Heterocapsa triquetra_7.jpg
- 2014-09-26 14:55:13 Janina Kownacka - Added media: Heterocapsa triquetra_7.jpg
- 2014-07-14 09:09:25 Regina Hansen - Updated media metadata for Heterocapsa triquetra_6.png
- 2014-07-14 09:07:12 Regina Hansen - Added media: Heterocapsa triquetra_6.png
- 2012-09-14 11:40:09 Ann-Turi Skjevik - Updated media metadata for Heterocapsa triquetra_5.jpg
- 2012-09-14 11:40:02 Ann-Turi Skjevik - Added media: Heterocapsa triquetra_5.jpg
- 2012-09-14 11:39:50 Ann-Turi Skjevik - Updated media metadata for Heterocapsa triquetra_4.jpg
- 2012-09-14 11:39:46 Ann-Turi Skjevik - Added media: Heterocapsa triquetra_4.jpg
- 2012-09-14 11:39:32 Ann-Turi Skjevik - Updated media metadata for Heterocapsa triquetra_3.jpg
- 2012-09-14 11:39:21 Ann-Turi Skjevik - Added media: Heterocapsa triquetra_3.jpg
- 2011-10-07 14:20:15 Bengt Karlson - Updated media metadata for Heterocapsa triquetra_2.jpg
- 2011-10-07 14:19:51 Bengt Karlson - Added media: Heterocapsa triquetra_2.jpg
- 2011-10-07 14:19:20 Bengt Karlson - Deleted media: Heterocapsa triquetra_2.jpg
- 2011-10-07 14:19:07 Bengt Karlson - Updated media metadata for Heterocapsa triquetra_2.jpg
- 2011-10-07 14:18:40 Bengt Karlson - Added media: Heterocapsa triquetra_2.jpg