Chlorophyceae:
Chlorococcales: Scenedesmaceae
Scenedesmus longus
Meyen, Syn: S. brevispina (G. M. Smith) Codat
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 longus Meyen ?,
cell body 13 μm long, 4-5 μm wide, spines 2 μm long,
x 640, Iruma river, Kami-terayama, Kawagoe city, Saitama Pref., Japan, January 18, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Scenedesmus longus Meyen ?,
cell body 12 μm long, 5 μm wide,
x 640, Iruma river, Kami-terayama, Kawagoe city, Saitama Pref., Japan, January 18, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Please click on images for viewing enlarged.
Copyright
Protist Information Server