Heliozoic Amoeboids –
Haptista (Part), Stramenopiles (Part), Obazoa (Part)
Observations on Choanocystis aculeata
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Choanocystis aculeata (Hertwig & Lesser, 1874) Siemensma & Roijackers, 1988
Most likely ID: n.a.
Basionym: Acanthocystis aculeata Hertwig & Lesser, 1874
Add’l Synonyms: Acanthocystis serrata Nicholls, 1883
Sampling date 10/2018. Scale bar indicates 25 µm.
Place name: Pond in the vicinity of the Bodden Bay Schwarzer Peter, Hiddensee (German Baltic Sea)
Latitude: 54.514946 Longitude: 13.082471
Microscope Zeiss Universal, Olympus OM-D M5 MKII. DOF image.
Sampling date 05/2019. Scale bars indicate 25 µm.
Two tomographic images (top and transversal) of a specimen.
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Place name: Creek in Oder valley 100 km north east of Berlin (Germany)
Latitude: 53.135032 Longitude: 14.348738
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF images.
Scale bar indicates 10 µm.
Close-up of spicula of Choanocystis aculeata. Additionally shown: three contractile vacuoles, the centroplast in the middle, and the nucleus to the right of it.
Place name: Creek in Oder valley 100 km north east of Berlin (Germany)
Latitude: 53.135032 Longitude: 14.348738
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII.
Sampling date 05/2019. Scale bar indicates 25 µm.
Green specimen of Choanocystis aculeata are often recorded. Probably the cells bear green algae symbionts.
Place name: Bog Kaltenhof near Kiel (Schleswig-Holstein, Germany)
Latitude: 54.42102744 Longitude: 10.07686615
Microscope Zeiss Axioplan, camera Olympus OM-D M5 MKII. DOF image.
© 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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