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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.
Similar genus -->> Planktosphaeria; Westella;

Dictyosphaerium, cell body spherical, up to 5 μm φ x 400, x 640, Japan, October 2000, 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

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