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Bacillariophyceae: Pennales: Raphidineae: Naviculaceae

 Gyrosigma sp.
Hassall 1845

Gyrosigma Genus:
Species:

Gyrosigma sp. (or Pleurosigma ?), cell body μm long, μm wide, x 640, Zenko-ji (temple), Nagano city, Nagano Pref., Japan, September 2003, 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
Gyrosigma
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