Pterosperma polygonum Ostenfeld in Ostenfeld & Schmidt, 1902
Pterosperma cf. polygonum
The non-motile phase (=phycoma), surface of outer wall showing pores. (Arrow=row of pores) (DIC).
Photographer/artist Mats Kuylenstierna
Additional image information
- Title
- Pterosperma cf. polygonum
- Photographer/artist
- Mats Kuylenstierna
- Copyright holder
- Maria Kuylenstierna
- Institute
- University of Gothenburg, Marine botany
- Contributing organisation
- University of Gothenburg
- Contributor
- Bengt Karlson
- Caption
- The non-motile phase (=phycoma), surface of outer wall showing pores. (Arrow=row of pores) (DIC).
- Geographic area
- Skagerrak - Swedish coast
- License
- Creative Commons Attribution-NoDerivs 3.0 Unported
- Technique
- Light microscopy
- Preservation
- No preservation
- Contrast enhancement
- DIC/Nomarski
- Stain
- No stain
- Image galleries
- Kuylenstierna, Skagerrak-Kattegat
Description
- IDs in other systems
- Dyntaxa ID: 238955
More info at http://www.artdata.slu.se/dyntaxa - AlgaeBase ID: 56414
More info at http://algaebase.org
- Dyntaxa ID: 238955
- Morphology
- Alae in a pentagonal pattern and raws of pores in the outer wall of phycoma phase
- Other remarks
- The phycoma stage from Skagerrak was much smaller than reported from the litterature
- Life form
- Phycoma phase and solitary flagellate?
- Size
- Diameter=(18?)30-40 µm
- Literature
- Ostenfeld, C. H. & Schmidt, J. 1902. Plankton fra det Røde Hav og Adenbugten. Vidensk. Medd. Naturh. Foren. i Kbhvn. 1901: 141-182
Parke, M., Boalch, G. T., Jowett, R. & Harbour, D. S. 1978. The genus Pterosperma (Prasinophyceae): species with a single equatorial ala. J. Mar. Biol. Ass. U.K., 58: 239-276.
Throndsen, J. 1993. The planktonic marine flagellates. In: (Tomas eds.) Marine Phytoplankton: a guide to naked flagellates and coccolithophorids. Academic Press, San Diego, pp. 7-145.
Change History
- 2011-10-03 20:22:30 Bengt Karlson - Updated media metadata for Pterosperma polygonum_1.gif