Acanthocystis penardi shows numerous siliceous spines and scales inserting and lying respectively upon the surface of the cell forming the periplast. The nucleus and several narrow axopodia are clearly visible, also a free swimming Salpingoecaspecies and a Chrysophyta called Chrysopyxis inaequalis fixed on a Tribonemafilament with a mucilaginous string. Scalebar indicates 25 µm.
Sample from sphagnum pond Dosenmoor near Neumuenster (Schleswig-Holstein, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.