image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium quinarium
P. Lundell

Genus: Unicellular; variable in shape; a constriction at the center of the cell body; mostly longer than wide; flattened; each semicell hemispherical, spherical, ellipsoidal, rectangular, pyramidal or kidney-shaped; no apical indentation (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Cell body 39-(42-43) μm long, 33-24 μm wide, constriction 9.5-(11-12.7) μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977).
Google Image Search
Cosmarium quinarium
C. quinarium
39 x 38 μm
USA, 1999
C. quinarium
45 x 36 μm
Gunma, 2006
Similar species -->> C. furcatospermum;

Please click on species name for more images.
Cosmarium quinarium
Copyright Protist Information Server