Volvulina steinii
Nozaki 1989 (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000)
Playfair 1915 (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983; John et al. eds. 2002)
Genus:
Species:
Colony without gelatinous sheath; cells lack pyrenoids
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Similar genus -->>Eudorina; Volvulina steinii,
cell body μm long, μm wide,
x 640, Naruto town, Chiba Pref., Japan, September 2003 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
A colony undergoing cell division to form daughter colonies