Genus: Colony spherical; 8-16 cells of similar size, close together, mutually compressed;
2-layered gelatinous envelope; cells with 2 equal-length flagella;
2 contractile vacuoles anterior; nucleus central (Illustrated Guide, 1985).
Species: Colonies spherical in shape, consisting of 16 or 8 cells; cells pear-shaped, up to 26 μm in surface diam., contiguous at the center of the colony; a single chloroplast, cup-shaped, with 4-8 pyrenoids (Photomicrographs of the freshwater algae, vol. 11, 1993). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Pandorina colemaniae or P. morum ?,
colony of 16 cells, 49 μm long, 39 μm wide,
cells wedge-shaped μm, cells close together,
x 400, x 640, Binnuma River, Omiya City, Saitama Pref., 2000, by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
