Family: Unicells; cell body spherical, ellipsoidal, or spindle-shaped; without spiny projections or stipes Genus: Cell body spherical, with many small disc-shaped chloroplasts (Illustrations of The Japanese Fresh-water Algae, 1977). Species: Cell body 60-70 μm wide, chloroplasts polygonal, without pyrenoids (Süßwasserflora von Mitteleuropa 3, Xanthophyceae 1, 1978).

31 μm 63 μm 94 μm; x 640