Genus: Unicells; cell body spherical in shape; cell wall warty or wrinkled
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Similar genus -->> Excentrochloris;
Botrydiopsis;
Vacuolaria;
Excentrosphaera viridis Moore ? (or Xanthophyceae ?),
cell body μm long, μm wide,
x 640, Omine-numa (pond/marsh), Tsukiyono town, Gunma Pref., Japan, September 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640