Apertural view on Lesquereusia modesta showing circular pseudostom () and a defecation which was offloaded a short time after taking images. indicates 50µm. Digital drawing using 33 frames generating depth of focus, stacked manually using Corel Photopaint.
Sample from a freshwater pond on the island of Hiddensee (Baltic Sea, Germany). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.
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Wolfgang Bettighofer, www.protisten.de.