Genus & Species:
Colonies of 4 cells, frequently developed to composite colonies of 16 (=4 x 4) cells;
cells rhomboidally arranged and separated from one another in the gelatinous coat;
colonies covered by a thick gelatinous material, sometimes with radiating fibrils;
cell body broad ellipsoidal, 20-25 μm long, 12-15 μm wide;
parietal chloroplasts numerous, small, disc-shaped
(Photomicrographs of the Freshwater Algae, 1984).
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