image_list image_listE

Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus protuberans
Fritsch

Scenedesmus protuberans 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 protuberans (or S. opoliensis Richter ?), cell body 18 μm long, 5.5 μm wide, spines 18 μm long, L/W=3.3, S/L=1.0, x 400, x 640, Otawara City, Tochigi 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
Scenedesmus protuberans Scenedesmus protuberans Scenedesmus protuberans


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