Genus: Cell body short, with a deep constriction at the center, apical view fusiform or radially symmetrical; cell apexes without spiny projections; intermediate zone or folded structure appeared during cell division; zygospores remain within their mother cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: (Photomicrographs of the Freshwater Algae, vol. 1, 1984).
Google Image Search
D. aptogonum
15 x 22 μm
Ishinazaka
Furukawa
Miyagi, 2003
D. aptogonum ?
17 x 28 μm
Uruguay, 1999
D. aptogonum ?
19 x 27 μm
Univ. A.V.M.
Obihiro
Hokkaido, 2005
