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 [ var. quadricauda ]: Colonies of 2, 4 or 8 cells arranging linearly; cell body elongated ellipsoidal, 11-18 μm long, 3.5-7 μm wide; terminal cells with long spiny projections (10-17 μm long); cell wall smooth (Illustrations of The Japanese Fresh-water Algae, 1977). S= length of Spines; L=Body length |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Scenedesmus quadricauda,
cell body μm long, μm wide, spines μm long,
L/W= , S/L = ,
x 400, x 640, Uruguay, November 1999, photo by Yuuji Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Scenedesmus quadricauda,
cell body μm long, μm wide, spines μm long,
L/W= , S/L = ,
x 640, Uruguay 1999, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640
