Genus: Planktonic; colony of 2-8 cells surrounded by cell wall of their mother cell, but sometimes unicellular;
cell body broad ellipsoidal, both ends slightly pointed and with a thick cell wall;
1-3 chloroplasts parietal plate-like, with a single pyrenoid
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body broad ellipsoidal, 15-18 μm long, 8-10 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977). |
31 μm
63 μm
94 μm; x 640
