Silicious processes and chitinous spines are visible. indicates 25 µm. The image was built up using several photomicrographic frames with manual stacking technique.
Sample from North Sea near Heligoland (spring diatom ). 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.