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Oligohymenophorea: Peritrichia: Sessilida: Ophrydiidae

 Ophrydium sessile
Ehrenberg

Ophrydium Genus: Cell body long, contractile; posterior end pointed or rounded; in gelatinous matrix (Kudo, 1966).
Species:

Ophrydium sessile (or O. crassicaule or O. vernale or O. vernalis ?), cell body μm long, μm wide, L/W=, x 640, No.1, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, November 15, 2008, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile

Images of collecting locality: No.1, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, November 15, 2008, by Y. Tsukii

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