 
 
|  Genus: Colonies large, reticulated bag in shape 
(Illustrations of The Japanese Fresh-water Algae, 1977). Species: Cells arranged to form pentagonal or hexagonal intercellular space, which result in large reticulated bag; cell body cylindrical in shape (up to 1 cm long, 200 μm in diam.), with many nuclei; chloroplasts reticulated with many pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977). 
 | 
 50 μm
 50 μm
 100 μm
 100 μm
 150 μm; x 400 :
 150 μm; x 400 : 
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
 
 
 
 
 
 
 
