 
 
Chlorophyceae: 
Chlorococcales: Oocystaceae
Echinosphaerella sp.
|  Genus: Species:
 | 
Echinosphaerella sp. 
(or Echinocoleum sp. or a cyst of Volvox ?), 
cell body nearly spherical 12 μm in diam., gelatinous coat 3-4 μm in thickness, 
x 640, Ushidome-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
Images of collecting locality: 
Ushidome-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
 
 
 
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