Genus: Spherical or ellipsoidal colony composed of 2-50 ovoid cells arranged radially;
cell body usually covered by short bristles; two chloroplasts lateral; no stigma;
longitudinal cell division; fresh water (Kudo, 1966).
Species:
Synura sp.,
cell body 20 μm long, 6-10 μm wide,
x 640, Maruyama Park, Ageo city, Saitama Pref., Japan, March 2002 by Y. Tsukii
50 μm
100 μm
150 μm; x 400