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Gamophyceae: Zygnematales: Desmidiaceae

 Cosmarium globosum
Bulnheim

Cosmarium globosum Subgenus: Cell body cylindrical or dumbbell-shaped, dorso-ventrally not compressed, transverse section circular.
Section [ Eudysphinctium ]: Cell body dumbbell-shaped, constriction strong, cell surface smooth, dotted or punctated (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: (Illustrations of The Japanese Fresh-water Algae, 1977).

Cosmarium globosum Bulnheim (or C. moniliforme ?), cell body 31 μm long, 19 μm wide, isthmus 14 μm wide, x 400, x 640, Imou bog, Toyohashi city, Aichi Pref., Japan, September 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium Cosmarium Cosmarium Cosmarium

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