 
 
Chlorophyceae: 
Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae
Pandorina morum
(Müller) Bory, 1824
|  Species: Cells 8-17 μm; 
colony 20-50 μm to 250 μm; 
16 cells as a tight sphere within clear matrix 
(How to know the protozoa, 1979).  
Colony barrel-shaped, 8- or 16-celled; cells wedge-shaped; chloroplast longitudinally striated; 
colony 20-42 μm across, 60 μm 
long; cells 8-17 μm diam. (Illustrated Guide, 1985). 
Sexual reproduction by isogamy 
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).  
Sexual reproduction by iso- or anisogamy 
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983). | 
Pandorina morum (Müller) Bory, 
colony cylindrical, 44 μm long, 35 μm wide, gelatinous coat 3 μm in thickness, 
x 640, Ikenokochi (or Ikenokouchi) marsh, Tsuruga city, Fukui Pref., Japan, September 11, 2004 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
 
 
 
 
 
Pandorina morum (Müller) Bory, 
colony 55 μm long, 51 μm wide, gelatinous coat 5 μm in thickness, 
cell body 10 μm long, 18 μm wide, 
x 640, Ikenokochi (or Ikenokouchi) marsh, Tsuruga city, Fukui Pref., Japan, September 11, 2004 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
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