Chlorophyceae:
Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae
Volvox globactor
(Linnaeus, 1758) Ehrenberg
Linné 1758 (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983)
Linnaeus 1758 (John et al. eds. 2002)
Syns.: V. stellata Ehrenberg 1832, V. monoicus Cohn 1875
Species: 5000-15,000 cells with cytoplasmic connections (Kudo, 1966).
Cell body star-shaped, or amoeboid in shape, gelatinous matrix clearly separated from each other;
colony consisting of 8000-17000 cells with a thick cytoplasmic connection.
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Volvox globactor Linné 1758,
colony 250 μm in diam., cell body 5-7 μm in diam.,
x 200, x 400, x 640, rice field near Happou bus stop, Hakuba village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Colony 414 μm in diam., cell body 5-8 μm in diam., x 200, x 400, x 640
Images of collecting locality:
Rice field near Happou bus stop, Hakuba village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii
V. aureus Ehrenberg: 1000-1500 cells; with cytoplasmic connections (Kudo, 1966).
Cell body ovoid in sphape, gelatinous matrix fused with each other;
colony consisting of 1000-4000 cells with 1-3 thin cytoplasmic connections.
V. carteri: Cell body spherical in shape, gelatinous matrix clearly separated from each other;
colony consisting of 500-8000 cells without cytoplasmic connections.
* V. globactor Linnaeus: 5000-15,000 cells with cytoplasmic connections (Kudo, 1966).
Cell body star-shaped, or amoeboid in shape, gelatinous matrix clearly separated from each other;
colony consisting of 8000-17000 cells with a thick cytoplasmic connection.
Please click on images for viewing enlarged.
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