Unidentified sp.
 
Genus: 
 
Species: 
 | 
Euglena or 
Phacus or 
Lepocinclis ???, 
cell body 40 μm long, 8 μm wide, L/W=5.0, 
x 640, Shiba river, near Owada Park, Saitama city, Saitama Pref., Japan, April 3, 2005 by Y. Tsukii
 31 μm
 63 μm
 94 μm; x 640
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