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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus sp.

Scenedesmus 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:


Scenedesmus sp., with many spines, very similar to Chodatella, cell body 9.3 μm long, 4.7 μm wide, spines ~12 μm long, L/W= 2.0, S/L= 1.3, x 400, x 640, Isa-numa (pond), Kawagoe, Saitama Pref., Japan, May 2001 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus Scenedesmus Scenedesmus Scenedesmus


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