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Chlorophyceae: Chlorococcales: Dictyosphaeriaceae

 Dictyosphaerium sp.

Dictyosphaerium Genus: Cells are equal in size (Illustrations of The Japanese Fresh-water Algae, 1977). Planktonic; colony within a gelatinous sheath; cell body spherical, elliptical or pear-shaped; 4 daughter cells attached to a filament dichotomously radiating from the center of the colony; a single chloroplast cup-shaped, with a pyrenoid.

Species:
Similar genus -->> Planktosphaeria; Westella;

Dictyosphaerium sp., cell body spherical, up to 6.5 μm in diam., x 400, x 640, August 7-13, 1999, Vermont-Maine U.S.A., by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Dictyosphaerium Dictyosphaerium Dictyosphaerium Dictyosphaerium

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Copyright 1999 Yuuji Tsukii