Order & Family: Floating unicells or a colony embedded in a matrix;
no differentiation of apical and base structures; only one family.
Genus: A colony of spherical cells; each cell is not covered with a sheath, instead cells are scattered within a gelatinous matrix; the distance between cells is usually longer than their diameter (Illustrations of The Japanese Fresh-water Algae, 1977). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
