Genus: Colonies of 4 (or 2, 8, 16) cells attached side by side, arranged linearly or zigzag;
cell body elliptical or spindle or crescent in shape; terminal cells with spiny projections in many species;
cell wall usually smooth, but in some species granulated or dented or ridged
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Cell body spindle-shaped, 10-28 μm long, 2.5-8 μm wide; 4-8 cells attached side by side (1 or 2 rows); without spiny projections; outer cells slightly curved inward, inner cells straight (Illustrations of The Japanese Fresh-water Algae, 1977). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Scenedesmus, stock Sak-6b,
axenic culture with KCM and Hyponex (December 18, 2001 to February 1, 2002),
cell body μm long, μm wide,
x 640, Kurome river, Asaka, Saitama Pref., Japan, 2000 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
