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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 165 μm long, 15 μm wide, L/W=11, peristome about 25 μm wide, macronucleus band-form, x 400, x 640, Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Ophrydium sessile Ophrydium sessile
x 640
Ophrydium sessile Ophrydium sessile Ophrydium sessile Ophrydium sessile

Images of collecting locality: Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii

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