Genus:
Cell body attached to others by gelatinous stalk emerging from anterior end;
cell division occurs on the stalk forming dichotomously branching colony;
pellicles soft but euglenoid movement rare; chloroplasts soucer-shaped in some species examined;
a pyrenoid present at the center; a canal opened near anterior end; stigma present
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Species: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
