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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 180 μm long, 12 μm wide (at anterior half of the body), L/W=, peristome 25 μm wide, x 400, x 640, No. 10-2, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Ophrydium Ophrydium Ophrydium

Images of collecting locality: No. 10, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii

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