Family:
(Illustrations of The Japanese Fresh-water Algae, 1977).
Genus:
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:
Similar species -->>Chrysocapsa; Tetracystis schmidlei (or Gloeosphearidium firmum ?),
cell body 4-7 μm in diam.,
x 640, Niigata Pref., Japan, May 2001, collected by N. Kinoshita, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640