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Thalassiosira punctigera
caption The image shows numerous chitin-based spines which minimize the sedimentation speed. Scale bar indicates 25 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.

For permission to use of (high-resolution) images please contact postmaster@protisten.de.
Wolfgang Bettighofer, www.protisten.de.

author woelfib
copyright Creative Commons License V 3.0 (CC BY-NC-ND)
observation details click here
image sets   Marine and freshwater protist images