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 μm long, μm wide, L/W=, isthmus μm wide, x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, September 24, 2008 collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum
Cell body μm long, μm wide, L/W=, isthmus μm wide, x 400, x 640
Cosmarium pseudopyramidatum Cosmarium pseudopyramidatum

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