Species: Lorica broad ellipsoidal, 19-22 μm long, 15-17 μm wide,
surface granulated, no collar but periphery of the opening thickened,
4-5 chloroplasts cup-shaped, with a pyrenoid covered by paramylon sheath
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000). Lorica spherical or ovoid, slightly narrowed to anterior end, 20-25 μm long, 16-18 μm wide; surface dotted; collar absent but periphery of flagellar opening thickened (Illustrations of The Japanese Fresh-water Algae, 1977). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
