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 64 μm long, 41 μm wide, L/W=1.6, isthmus 16 μm wide, x 640, Yukawa-numa (pond), Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum

Cosmarium pseudopyramidatum Lundell var. pseudopyramidatum, cell body 64 μm long, 42 μm wide, L/W=1.5, isthmus 16 μm wide, x 640, Yukawa-numa (pond), Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum

Images of collecting locality: Yukawa-numa (pond), Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 by Y. Tsukii

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