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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 sp. ??, cell body spherical, 4-6 μm in diam., x 640, Otto-Numa (pond) Chosei-chi, Tsuchiura city, Ibaraki Pref., Japan, July 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640

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