image_list image_listE

Oligohymenophorea: Hymenostomatia: Scuticociliatida: Philasterina: Uronematidae

Cyclidium sp.
Müller, 1786

Uronema Genus: Small, 15-60 μm long; with a caudal cilium; on the right edge of peristome occurs a membrane which forms a pocket around cytostomal groove; contractile vacuole posterior (Kudo, 1966). Ovoid body with flattened anterior cap; long peristome with large, undulatory membrane, extended in feeding, one long caudal cilium (How to know the protozoa, 1979). No somatic cilia at the anterior apex; no cilia around the posterior where a single, long caudal cilium usually merges; buccal ciliature proportionally smaller in comparison to Pleuronema (Carey, 1992).
Similar Genus ->> Cyclidium; Pleuronema

Uronema sp., cell body μm long, μm wide, x 640, Maihara town, Shiga Pref., Japan, June 2003, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Uronema Uronema Uronema

Please click on images for viewing enlarged.
Copyright Protist Information Server