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Colpodea: Colpodida: Colpodidae

Colpoda steini
Maupas, 1883

Colpoda Genus: Body reniform; dorsoventrally flattened; right body edge convex, left concave; somatic groove originates on the dorsal surface, travels around the left side to the entrace of the vestibulum on the ventral surface (Carey, 1992). Oral cavity not tubular (Illustrated Guide, 1985).

Colpoda steini, cell body 46 μm long, 25 μm wide, contractile vacuole posterior, x 400, Japan, 1997 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Cyrtolophosis Cyrtolophosis Cyrtolophosis

C. steini Maupas, 1883: Renifrom; cytostomial cleft 1/3 of the body length from the anterior end; 15-42 μm long; smatic ciliation in 10 rows; 2 caudal cilia; vestibulum equipped with a beard of 'pseudomembranelles' arising from posterior margin; a macronucleus ovoid (Carey, 1992). 20-40 μm long; 15-30 μm wide; but size is quite variable (Foissner, Blatterer, Berger & Kohmann, 1991). 15-40 μm; two long posterior cilia (How to know the protozoa, 1979).

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