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Oligohymenophorea: Peritrichia: Sessilida: Epistylididae

 Rhabdostyla ovum
Kent

Rhabdostyla Genus: Similar to Epistylis; but solitary with a non-contractile stalk; numerous species (Kudo, 1966). Attached to Cyclops, Cypris, other copepods in fresh water (How to know the protozoa, 1979).
Species: Cell body 28 μm long (Kahl, 1930).

Rhabdostyla ovum, cell body 27 μm long, 21 μm wide, peristome 16 μm wide, stalk about 18 μm long, x 640, O-ike waterside park, Kasukabe city, Saitama Pref., Japan, February 15, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Rhabdostyla ovum Rhabdostyla ovum
Rhabdostyla ovum Rhabdostyla ovum Rhabdostyla ovum Rhabdostyla ovum

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