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Lobosea: Testacealobosia: Arcellinida: Arcellidae

 Arcella sp.
Ehrenberg, 1832

Arcella Genus: Test variable, chitinoid; binucleate (Illustrated Guide, 1985).
Species:

Arcella sp., test μm long, &3956;m wide, x 400, x 640, Uruguay, November 1999, photo by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Arcella Arcella
Arcella Arcella Arcella
Arcella Arcella Arcella
Arcella Arcella Arcella

Arcella, x 400, x 640, Uruguay, November 1999, photo by Y. Tsukii
Arcella Arcella Arcella

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