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Trinema (try-knee-ma) enchelys, a testate amoeba. The focal plane on the circular aperture of the shell of Trinema enchelys. The aperture is located on the ventral surface and is surrounded by a number of rows of very minute scales. The central located contractile vacuole is visible and at the posterior end of the cell the macronucleus. This specimen was collected in a freshwater pond near Konstanz, Germany. Differential interference contrast.
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Trinema (try-knee-ma) enchelys, a testate amoeba. This specimen was collected in a freshwater pond near Konstanz, Germany. The focal plane is on the surface of the shell of Trinema enchelys. The shell is composed of transparent circular scales, each 5 - 6 mm in diameter. Differential interference contrast.
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Trinema enchelys (EHRENBERG,1838) LEIDY,1878.Large incompletely overlapping circular shell plates with smaller peripherally placed oval shell plates. Collected from bottom sediments of an organically enriched freshwater pond near Boise, Idaho. December 2007. Protargol (see Foissner, W. Europ. J. Protistol., 27:313-330;1991).Brightfield.
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Scale bar indicates 25 µm. Sample from a wetland at the Pillersee (Tyrol, Austria). The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA).