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Lobosea: Testacealobosia: Arcellinida: Arcellidae

 Arcella dentata
Ehrenberg

Arcella dentata Genus: Test variable, chitinoid; binucleate (Illustrated Guide, 1985).
Group: Discoides (Test flattened; height < 1/2 greatest diam.)
Species:

Arcella dentata Ehrenberg, test 130 μm in diam., pseudostome 38 μm wide, x 400, x 640, near Lake Aoki, Omachi city, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Arcella dentata Arcella dentata Arcella dentata Arcella dentata Arcella dentata

Images of collecting locality: near Lake Aoki, Omachi city, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii

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