Observations on Skeletonema costatum
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Skeletonema costatum (Greville) Cleve 1873
Most likely ID: n.a.
Basionym: Melosira costata Greville 1866
Add’l Synonyms: n.a.
Sampling date 01/2022. Scale bars indicate 25 µm (1, 2), 10 µm (3-6).
Three pairs of girdleband view/optical cross section in two magnification steps.
| First couple: | Girdleband view showing silicious connection processes, cross section showing chloroplasts and some nuclei. |
| Second couple: | Close-up. a) Girdleband view: Some ultrathin floating processes made of chitin become visible. b) Cross section: Chloroplasts and some nuclei become clearly visabe. |
| Third couple: | Close-up. Girdleband view: The ultrathin floating processes made of chitin are clearly visible. These chitinous processes are characteristic of the Thalassiosirales. |
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Place name: Baltic Sea, Kieler Förde, Kiel Fjord (Germany)
Latitude: 54.3894126 Longitude: 10.1749055
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.
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