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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) or Nebela dentistoma ?, test 103 μm long, 64 μm wide, L/W=1.6, pseudostome 21 μm wide, x 640, No.1, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, April 26, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Argynnia Argynnia

Images of collecting locality: No.1, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, June 17, 2007 by Y. Tsukii

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