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Chlorophyceae: Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae

Pandorina morum
(Müller) Bory, 1824

Pandorina morum 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 40 μm long, 35 μm wide, x 640, Oh-asoh (very close to Ara-kawa), Kumagaya city, Saitama Pref., Japan, February 29, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pandorina morum Pandorina morum Pandorina morum Pandorina morum

Pandorina morum (Müller) Bory, stock Skmo-4, axenic culture with KCM & Hyponex (April 21 to May 21, 2004), cell body μm long, μm wide, x 640, Oh-asoh (very close to Ara-kawa), Kumagaya city, Saitama Pref., Japan, February 29, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pandorina morum Pandorina morum Pandorina morum

Pandorina, stock Skmo-4, axenic culture with KCM & Hyponex (April 21 to May 21, 2004), juvenile colony 56 μm long, 45 μm wide, x 640, Oh-asoh (very close to Ara-kawa), Kumagaya city, Saitama Pref., Japan, February 29, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pandorina Pandorina
Mature colony 80 μm in diam., cell body 66 μm in diam., x 640
Pandorina Pandorina Pandorina Pandorina
Daughter colonies, x 640
Pandorina


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