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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 101 μm long, 70 μm wide, L/W=1.4, pseudostome 23 μm wide, P/W=0.3, scales μm long, μm wide, x 640, Nidanuma (Nitanuma), Tsuchiyu-onsen, Fukushima city, Fukushima Pref., Japan, October 28, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
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Argynnia dentistoma (Penard 1890) ?, test 102 μm long, 75 μm wide, L/W=1.4, pseudostome 18 μm wide, body scales μm long, μm wide, L/W=, x 640, Akebono marsh (or bog), Nidanuma (Nitanuma), Tsuchiyu-onsen, Fukushima city, Fukushima Pref., Japan, October 28, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Argynnia Argynnia

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