image_list image_listE

Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus ecornis
var. disciformis Chodat

Scenedesmus ecornis 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: Cells attached side by side along 3/4 of their side (arranging in 1 or 2 rows), inner spaces absent (cf. S. arcuatus); cell body ellipsoidal or ovoid without spiny or dented projections, 7-20 μm long, 4-10 μm in diam. (Illustrations of The Japanese Fresh-water Algae, 1977).


Scenedesmus ecornis var. disciformis, cell body 11 μm long, 6 μm wide, L/W= 1.8, x 400, x 640, Dewa Park, Koshigaya, Saitama Pref., Japan, July 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 ecornis Scenedesmus ecornis Scenedesmus ecornis
Colonies with gelatinous coat
Scenedesmus ecornis Scenedesmus ecornis Scenedesmus ecornis Scenedesmus ecornis
Scenedesmus ecornis Scenedesmus ecornis


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