image_list image_listE

Chlorophyceae: Chlorococcales: Dictyosphaeriaceae

Dictyosphaerium reniforme
Bulnheim var. reniforme

Dictyosphaerium reniforme 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: Cell body reniform in side view, broad-ellipsoid in face view, (6-) 10-20 μm long, (3-) 6-10 μm wide, attached by their convex side to radially, di- or tetrachotomously branced filaments; a single chloroplast cup-shaped, lying at the convex side of the cells, with a pyrenoid (Photomicrographs of the Freshwater Algae, vol. 5, 1986).
Similar genus -->> Planktosphaeria; Westella;


Dictyosphaerium reniforme Bulnheim var. reniforme, cell body cup-shaped, 8 μm long, 6 μm wide, x 640, Mizumoto Park, Katsushika-ku, Tokyo, Japan, July 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Dictyosphaerium Dictyosphaerium Dictyosphaerium


Please click on images for viewing enlarged.
Copyright Protist Information Server