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Bursaria truncatella Scale bar indicates 100 µm. The specimen was gathered in a pond in the forest of Altenholz-Stift near Kiel. Sampling date 11/2018. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Axioskop with Olympus OM-D M5 MKII. Image under Creative Commons License V 3.0 (CC BY-NC-SA). Place name: Pond in the forest of Altenholz-Stift (Schleswig-Holstein, Germany) Latitude: 54.384913 Longitude: 10.125691 Der Messbalken markiert eine Länge von 100 µm. Die Probe wurde in einem Waldteich bei Altenholz-Stift (nahe Kiel) gesammelt. Datum der Aufsammlung: 11/2018. Mikrotechnik: Zeiss Axioplan, Kamera: Olympus OM-D M5 MKII. 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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Mahide, Castille and Leon, Spain
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Mellanes, Castilla y Len, Espaa
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Bursaria truncatella (Müller,1773), a large ciliate classified within the Colpodea. Broadly rounded posteriorly and truncate anteriorly with oral cavity opening apically. The posterior end of the funnel-shaped cytostome curves to left. Cirromembranelles wind in clock-wise fashion around the opening of the oral cavity and descend along the left side of the cytostome. Many small peripheral contractile vacuoles. The somatic ciliation is uniform. The macronucleus is long and band-like. There are many micronuclei. Bursaria is predatory, feeding on other protists and rotifers. Dark food vacuoles are seen in this image. From temporary rainwater pool in grassy field near Boise, Idaho. Brightfield.
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Stained by the methyl green pyronin-Y technique (see Foissner, W.Europ. J. Protistol.27:313-330;1991).Brightfield.
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The yellow arrow indicates the closely spaced dikinetids of the "paraoral rows". The blue arrow indicates the adoral membranelles, each composed of three rows of kinetids.Only the anterior two rows bear cilia. Stained by the silver carbonate technique (see Foissner, W.Europ. J. Protistol.27:313-330;1991).Brightfield.
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Stained by the silver carbonate technique (see Foissner, W.Europ. J. Protistol.27:313-330;1991).Brightfield.
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Each ofthe adoral membranelles is composed of three rows of kinetids.Only the anterior two rows bear cilia. Stained by the silver carbonate technique (see Foissner, W.Europ. J. Protistol.27:313-330;1991).Brightfield.
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Stained by the silver carbonate technique (see Foissner, W.Europ. J. Protistol.27:313-330;1991).Brightfield.
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Closely spaced rows of dikinetids (paraoral rows) follow the anterior and lateral margins of the vestibulum (V). On the left side of the vestibulum there is an adoral zone of membranelles (blue arrow). Stained by the silver carbonate technique (see Foissner, W.Europ. J. Protistol.27:313-330;1991).Brightfield.
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Stained by the silver carbonate technique (see Foissner, W.Europ. J. Protistol.27:313-330;1991).Brightfield.
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