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Oligohymenophorea: Peritrichia: Sessilida: Operculariidae

 Opercularia sp.
Goldfuss, 1820

Opercularia Genus: Colonical when mature; macronucleus long, often C-shaped; some species loricate (Illustrated Guide, 1985). Stalk non-contractile.
Species:

Opercularia sp. (asellicola or coarctata ?), cell body 112 μm long, μm wide, x 100, x 200, x 400, Japan, 1997 by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200 : scale 50 μm scale 100 μm scale 150 μm; x 400
Opercularia Opercularia Opercularia

O. ramosa: 140 μm long (How to know the protozoa, 1979).

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