Chlorophyceae: 
Chlorococcales: Palmellaceae
Sphaerocystis schroeteri
Chodat
 
Genus: Colonies small, spherical or aggregates in shape; sheath inconspicuous or absent; cell body spherical in shape; 
chloroplasts cup-shaped or plate-like (Illustrations of the Japanese fresh-water algae, 1977). 
 
Species: 
 
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Sphaerocystis schroeteri Chodat ?, 
colony ellipsoidal in shape, 125 μm long, 95 μm wide, L/W=, 
cell body nearly spherical, 7-11 μm in diam., 
x 640, Karakemi marsh, Yasaka village, Nagano Pref., Japan, April 24, 2005 by Y. Tsukii
 31 μm
 63 μm
 94 μm; x 640
Sphaerocystis schroeteri Chodat: 
Colonies sherical in shape, consisting of 4-16 cells, 30-80 μm in diam.; 
cell body spherical, 5-12 μm in diam.; a single chloroplast cup-shaped with a 
pyrenoid (Illustrations of the Japanese fresh-water algae, 1977).  
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