Ciliates – SAR-Alveolata (Ciliophora)

Observations on Platycola decumbens

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Platycola decumbens (Ehrenberg, 1830) Kent, 1882

Most likely ID: n.a.

Basionym: Vaginicola decumbens Ehrenberg, 1830

Add’l Synonyms: Vaginicola truncata Fromentel, 1876

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Scale bars indicate 50 µm.

Four images.

First to third:	Top view and two optical cross-sections.
Fourth:	Optical cross-section showing the striated pellicle of the cell body.

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Place name: Tropical freshwater aquarium
Latitude: 54.3018013 Longitude: 10.07120132

Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.

Sampling date 08/2009. Scale bar indicates 100 µm.

Platycola decumbens has mounted its lorica upside down in the hyponeuston, the community of life in the aquatic area just below the water surface. Apparently, the surface tension of the water exerted a greater attraction on the ciliate than the material of the Petri dish or the bundles of filamentous algae in it.

Place name: River Eider near Achterwehr (Schleswig-Holstein, Germany)
Latitude: 54.308254 Longitude: 9.953706

Microscope Zeiss Axioplan, camera Olympus C7070WZ.

© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.

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Observations on Platycola decumbens

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