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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 μm long, μm wide, L/W=, x 640, water reservoir near Kashiwa-no-ha tennis cort, Kashiwa city, Chiba Pref., Japan, February 11, 2008 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 Opercularia Opercularia Opercularia Opercularia Opercularia

Images of collecting locality: Water reservoir near Kashiwa-no-ha tennis cort, Kashiwa city, Chiba Pref., Japan, February 11, 2008 by Y. Tsukii

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