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: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Scenedesmus insignis (W. et G.S. West) Chodat,
stock Ito-2, (July 26 to August 28, 2005),
cell body 10 μm long, 4 μm wide, L/W=2.5, spiny projections about 10 μm long,
x 640, Otto-Numa (pond) Chosei-chi, Tsuchiura city, Ibaraki Pref., Japan, July 2002 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body μm long, μm wide, L/W=, x 640
