Gamophyceae:
Zygnematales: Desmidiaceae
Cosmarium pandriforme
Turner
Subgenus [Eucosmarium]:
Cell body dorso-ventrally compressed, with strong constriction at the center,
transverse section elliptical or diamond-shaped.
Section [ Cyclidium ]:
Cell surface smooth; semicells half circle, half ellipsoid
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species[ magnum ]:
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Cosmarium pseudopyramidatum Lundell var. pseudopyramidatum,
cell body 66 μm long, 42 μm wide, isthmus 16 μm wide,
x 640, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 67 μm long, 42 μm wide, isthmus 16 μm wide, x 640
Cell body 71 μm long, 40 μm wide, isthmus 15 μm wide, x 640
Cosmarium pseudopyramidatum Lundell var. pseudopyramidatum,
cell body 56 μm long, 34 μm wide, isthmus 13 μm wide,
x 640, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.5/6, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii
Please click on images for viewing enlarged.
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