 
 
Bacillariophyceae: 
Pennales: Raphidineae: Naviculaceae
Navicula sp.
Bory 1822
|  Genus: Species:
 | 
Navicula, 
cell body 37 μm long,  μm wide, 
x 640, Doman-green Park, Nishi-Urawa, Saitama Pref., Japan, February 2003 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
 
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