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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 13 μm long, 8 μm wide, x 640, Nagatsu-gawa Shinsui Park (riverside park), Funabashi City, Chiba Pref., Japan, July 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Spumella Spumella

Spumella , stock Cfn-1, axenic culture with EM (July 19 to July 23, 2003), cell body μm long, μm wide, x 640, Nagatsu-gawa Shinsui Park (riverside park), Funabashi City, Chiba Pref., Japan, July 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Spumella Spumella Spumella Spumella Spumella Spumella Spumella Spumella Spumella Spumella Spumella

Spumella , stock Cfn-1, axenic culture with EM (July 14 to July 19, 2003), cell body μm long, μm wide, x 640, Nagatsu-gawa Shinsui Park (riverside park), Funabashi City, Chiba Pref., Japan, July 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Spumella Spumella Spumella Spumella

Spumella , stock Cfn-6, axenic culture with EM (July 9 to July 14, 2003), cell body μm long, μm wide, x 640, Nagatsu-gawa Shinsui Park (riverside park), Funabashi City, Chiba Pref., Japan, July 2003 by Y. Tsukii
Spumella Spumella

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