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Chrysophyceae: Ochromonadales: Ochromonadaceae
Chrysomonadida: Ochromonadidae

 Spumella sp.
Bory (Anthophysa)

Spumella Genus: Similar to Ochromonas, but colourless; cells ovoid, free-swimming, or attached by a protoplasmic thread, or mutually attached to form spherical colonies; 1 contractile vacuole (Illustrated Guide, 1985).
Species:

Spumella sp., cell body 11 μm long, 5 μm wide, x 640, Watarase river, Ashikaga city, Tochigi Pref., Japan, February 1, 2004 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Spumella Spumella Spumella

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