 
 
Bacillariophyceae: 
Pennales: Raphidineae: Naviculaceae
Pinnularia sp.
Ehrenberg 1843
|  Genus: Species:
 | 
Pinnularia sp., 
cell body 104 μm long, 19 μm wide, 
x 640, a pond at Taki-no-joshi (castle ruin) park, Tokorozawa city, Saitama Pref., Japan, March 14, 2004 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
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