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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.

Opercularia sp. (asellicola or coarctata ?), cell body μm long, μm wide, Japan, 19?? by H. Horikami
Opercularia Opercularia Opercularia

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

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