image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

 Cosmarium pandriforme
Turner

Cosmarium pandriforme 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).

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
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum
Cell body 67 μm long, 42 μm wide, isthmus 16 μm wide, x 640
Cosmarium pseudopyramidatum
Cell body 71 μm long, 40 μm wide, isthmus 15 μm wide, x 640
Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum

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
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium pseudopyramidatum

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.
Copyright Protist Information Server