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Chrysophyceae: Mallomonadales (or Ochromonadales): Synuraceae
Crysomonadea: Chromulinida

 Synura sp.
Ehrenberg

Synura Genus: Spherical or ellipsoidal colony composed of 2-50 ovoid cells arranged radially; cell body usually covered by short bristles; two chloroplasts lateral; no stigma; longitudinal cell division; fresh water (Kudo, 1966).
Species:

Synura sp., cell body 15 μm long, 9 μm wide, x 640, Watarase river, Ashikaga city, Tochigi Pref., Japan, February 1, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Synura Synura

S. uvella Ehrenberg: Cells oval; bristles conspicuous; 20-40 μm long, 8-17 μm wide (Kudo, 1966).

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