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,
cell body 16 μm long, 9 μm wide,
x 640, rice field, Kamishiro, Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640