image_list image_listE

Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus or other species ?

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:


Chlorococcales similar to Scenedesmus, cell body 8 μm long, 4.5 μm wide, spines up to 10 μm, x 400, x 640, Kurome River, Asaka City, Saitama Pref., Japan, September 2000, 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



Please click on images for viewing enlarged.
Copyright Protist Information Server