organisms. World-wide electronic publication, Kortenhoef, the Netherlands) for amoeboid organisms
or Encyclopedia of Life for all others.
Thalassiosira punctigera The oblique view exhibits short silicous spines, the so called occluded processes. Some chitinous spines protruding from the fultoportulae (also called strutted processes) along the dotted valve margin are also visible. Scale bar indicates 50 µm. The image was built up using several photomicrographic frames with manual stacking technique.
Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.
Image under Creative Commons License V 3.0 (CC BY-NC-SA).
Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034
Die schräge Sicht auf die Frusteln zeigt kurze Silikatfortsätze, die sogenannten occluded processes. Eine Reihe Schwebefortsätze aus Chitin, die aus den Fultoportulae (kleine Silikatröhren, auch strutted processes genannt) entlang der punktierten Kante der Frustel entspringen, sind sichtbar. Multiebenen-Abbildung, manuell gestapelt. Der Messbalken markiert eine Länge von 50 µm.
Probe aus der Nordsee vor Helgoland in der Zeit der Frühjahrsblüte. Mikrotechnik: Zeiss Universal, Kamera: Olympus C7070.
Creative Commons License V 3.0 (CC BY-NC-SA).
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PROTISTEN.DE Archive Number:
Thalassiosira-punctigera-parch2022-2195