Genus: Cingulum (horizontal groove) located at the center of the body
(Illustrations of The Japanese Fresh-water Algae, 1977).
Cingulum more or less median; sulcus straight (Illrustrated Guide, 1985).
Species:
Gymnodinium paradoxum Schilling 1891 ?,
cell body 18 μm long, 15 μm wide,
x 640, Kawaguchi Natural Park, Sama, Kawaguchi city, Saitama Pref., Japan, January 29, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus: Cingulum (horizontal groove) located at the center of the body
(Illustrations of The Japanese Fresh-water Algae, 1977).
Cingulum more or less median; sulcus straight (Illrustrated Guide, 1985).
31 μm
