 
 Gyrosigma sp.
Gyrosigma sp.
Hassall 1845
|  Genus: Species:
 | 
Gyrosigma sp. or Amphipleura sp. ?, 
cell body  μm long,  μm wide, 
x 640, Japan, April 1999, by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
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