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Lobosea: Testacealobosia: Arcellinida: Difflugina: Nebelidae

 Argynnia dentistoma
(Penard 1890)

Argynnia Family: Test usually more or less compressed; pseudostome narrowly oval or slit-like.
Genus: Test more or less flask-shaped, with more or less neck (Illustrated Guide, 1985).
Species:

Argynnia dentistoma (Penard 1890) ?, test 90 μm long, 60 μm wide, pseudostome 16 μm wide, x 640, a small marsh pond near Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Argynnia dentistoma Argynnia dentistoma

Images of collecting locality: a small marsh pond near Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii

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