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Oligohymenophorea: Peritrichia: Sessilida: Scyphidiidae

 Scyphidia constricta
Stokes, 1885

Rhabdostyla Family: Stalkless; cell body drawn out; in some species it appear stalklike at rear; peristomal disc not stalked (Illustrated Guide, 1985).
Genus: No trochal band when mature; macronucleus long, often C-shaped (Illustrated Guide, 1985).

Species: Cell body 60 μm long (Kahl, 1930).

Scyphidia constricta ?, cell body 72 μm long, 36 μm wide, peristome μm wide, x 400, x 640, Ushidome-ike (pond), Norikura highland, Azumi village, Nagano Pref., Japan, May 28, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scyphidia Scyphidia Scyphidia Scyphidia

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