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Oligohymenophorea: Peritrichia: Sessilida: Vorticellidae

Vorticella microstoma
Ehrenberg, 1830

Vorticella microstoma Genus: Solitary, but often gregarious; myoneme continuous within full length of stalk (Illustrated Guide, 1985).
Species: 30-80 μm long; small peristome (How to know the protozoa, 1979).
Similar Genus ->> Carchesium

Vorticella microstoma ?, cell body 32 μm long, 20 μm wide, peristome 15 μm wide, x 400, x 640, standing water, Shiken-zaike, Kamikawa town, Saitama Pref., Japan, December 11, 2004 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Vorticella Vorticella Vorticella Vorticella Vorticella

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