Genus:
Cell body cylindroid or spindle in shape; spiral ribbon-like chloroplasts or laminae of
the chloroplast arranged spirally around central rod
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species :
Spirotaenia erythrocephala Itzigsohn,
cell body 59 μm long, 13.5 μm wide,
x 640, rice field, Tsukamoto, Sakura-ku, Saitama city, Saitama Pref., Japan, July 25, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640