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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 140 μm in diam., μm high, pseudostome 37 μm wide, P/W=0.3, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Arcella dentata Arcella dentata Arcella dentata

Arcella dentata Ehrenberg, test 125 μm in diam., μm high, pseudostome 33 μm wide, P/W=0.3, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Arcella dentata Arcella dentata Arcella dentata

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