Acanthocystis penardi shows numerous spines and scales inserting, and lying respectively, upon the surface of the cell forming the . The central body from which all the axopodia originate is clearly visible. indicates 25 µm.
Sample from sphagnum pond Dosenmoor near Neumuenster (Schleswig-Holstein, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.
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Wolfgang Bettighofer, www.protisten.de.