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Bacillariophyceae: Pennales: Raphidineae: Naviculaceae

 Gyrosigma sp.
Hassall 1845

Gyrosigma Genus:
Species:

Gyrosigma sp. (or Pleurosigma ?), cell body 220 μm long, 35 μm wide, L/W=, x 640, drainage water near water treatment center, Himi city, Toyama Pref., Japan, August 22, 2006, 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 Gyrosigma Gyrosigma

Images of collecting locality: drainage water near water treatment center, Himi city, Toyama Pref., Japan, August 22, 2006, by Y. Tsukii

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