Pandorina

Colonial phytomonad in which the cells are held together in a gelatinous matrix. More complex than Eudorina> Eudorina , less complex than Volvox .

Pandorina

Pandorina is a genus of green algae composed of 8, 16, or sometimes 32 cells, held together at their bases to form a sack globular colony surrounded by mucilage. The cells are ovoid or slightly narrowed at one end to appear keystone- or pear-shaped. Each cell has two flagella with two contractile vacuoles at their base, an eyespot, and a large cup...
Found on http://en.wikipedia.org/wiki/Pandorina
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