Ciliates – SAR-Alveolata (Ciliophora)

Observations on Acineta compressa

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Acineta compressa Claparède & Lachmann, 1858–59
Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: Acineta cucullus Claparède & Lachmann, 1860–61
Acineta elegans Imhof, 1884
Acineta flava Kellicott, 1885
Acineta papillifera Keppen, 1888
Paracineta elegans (Imhof) Collin, 1912
Acineta collini Kahl, 1934

Sampling date 05/2019. Scale bars indicate 50 µm.

Place name: Creek in Oder valley 100 km north east of Berlin (Germany)
Latitude: 53.135032 Longitude: 14.348738

Microscope Zeiss Universal, camera Olympus OM-D M5 MKII. DOF image.

The population of the cell shown here, which has been documented by our research group of the Microscopical Society Berlin for many years, lives in freshwater. Acineta compressa is more commonly known from marine habitats, and Foissner et al. (1995) argues that the synonymization of A. flava and A. compressa for freswater occurrences would be incorrect. He observed and documented populations of A. flava in freshwater habitats whose cup shape is more similar to that of A. tuberosa, thus not resembling the shape drawn by Claparède & Lachmann.
However, the cup shape of the population native to streams in the extensive wetlands of the Lower Oder Valley fits well with the description of A. compressa.

© 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 Acineta compressa

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