Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal,
ellipsoidal or spindle-shaped; zygospores formed outside of mother cells
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Cell body pyramidal in shape, 10-18 μm in diam.;
each side concave, rarely straight or convex; each angle rounded; cell wall smooth
(Photomicrographs of the Fresh-water Algae, vol. 2, 1984).
Cell body 20-35 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
|