Genus: Body more or less ovo-cylindrical; rigid with spirally striated pellicle;
often with a short posterior spinous projection; stigma sometimes present;
discoidal chromatophores (chloroplasts) numerous and marginal; paramylum bodies usually
large and ring-shaped, laterally disposed; without pyrenoids; fresh water (Kudo, 1966).
Species: |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
a pond at Izumo Shrine, Izumo city, Shimane Pref., Japan, September 22, 2006 by Y. Tsukii
