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Chlorophyceae: Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae

Pandorina
Bory 1824

Family: Colonies consisting of a fixed number of cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Colony spherical; 8-16 cells of similar size, close together, mutually compressed; 2-layered gelatinous envelope; cells with 2 equal-length flagella; 2 contractile vacuoles anterior; nucleus central (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).
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Cell contains only one pyrenoid
Pandorina morum
P. morum
35 samples
col. 28-57 μm
1998-2006
Pandorina
P. morum
35 samples
col. 28-57 μm
1998-2006

P. morum
35 samples
col. 28-57 μm
1998-2006
Eudorina elegans
P. morum
35 samples
col. 28-57 μm
1998-2006
Cell contains several pyrenoids
Pandorina colemaniae
P. colemaniae
12 samples
col. 34-49 μm
2000-2008
Pandorina colemaniae
P. colemaniae
12 samples
col. 34-49 μm
2000-2008
Pandorina colemaniae
P. colemaniae
12 samples
col. 34-49 μm
2000-2008
Pandorina colemaniae
P. colemaniae
12 samples
col. 34-49 μm
2000-2008
Pandorina
P. charkowiensis ?
col. μm
cell μm φ
Lake Biwa
Maihara
Shiga, 2003

Similar genus -> > Yamagishiella

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Pandorina
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