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Lobosea: Testacealobosia: Arcellinida: Arcellidae

 Arcella artocrea

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

Arcella artocrea (Arcella catinus ?), test 150 μm wide, pseudostome 30 μm wide, P/T=0.20, x 640, No.2, Ikenokochi (or Ikenokouchi) marsh, Tsuruga city, Fukui Pref., Japan, September 24, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Arcella Arcella Arcella

Images of collecting locality: No.2, Ikenokochi (or Ikenokouchi) marsh, Tsuruga city, Fukui Pref., Japan, September 24, 2006 by Y. Tsukii

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