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Gamophyceae: Zygnematales: Desmidiaceae

 Cosmarium turpinii
Brébisson var. eximium W. et G.S. West

Cosmarium turpinii 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 [ eximium ]: Cell body (44-59)-62 μm long, (11-14)-17 μm wide; (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species-->> C. sportella; C. vexatum; C. botrytis;

Cosmarium turpinii Brébisson var. eximium W. et G.S. West (similar to C. sportella Brébisson var. sportella), cell body 45 μm long, 39 μm wide, L/W=1.2, x 640, rice field, Tsukamoto, Sakura-ku, Saitama city, Saitama Pref., Japan, October 24, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium Cosmarium Cosmarium

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