Genus:
Epicone (or epitheca) consists of 10-16 thecal plates;
hypocone (or hypotheca) of 6-7 thecal plates
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Glenodinium sp. ?,
cell body 48 μm long, 45 μm wide, L/W=1.1,
x 640, Southern lakeside of Lake Shirakaba, Tateshina town & Chino city, Nagano Pref., Japan, May 21, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 46 μm long, 40 μm wide, L/W=1.2, x 640