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Chlorophyceae: Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae

 Eudorina unicocca
Smith 1930 (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000)
Smith 1931 (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983)

Eudorina Species: Colony of 32 or 16 cells (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Colony ellipsoidal (or slightly ovoid or nearly spherical), posterior end wavy, consisting of 32 or 16 cells, 60-130 μm long, 50-106 μm wide; colony of 32 cells formed by a stacking of five chaplets; cells of anteriorly-located chaplet slightly smaller than others); cells spherical or pear-shaped, 5.5-18 μm in diam.; chloroplast cup-shaped, with a pyrenoid posteriorly; stigma large, located anteriorly; sexual reproduction by heterogamy, all cells of the colony form spermatozoon or oocytes (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).

Eudorina unicocca Smith, 1930, a colony of 32 cells ?, 108 μm long, 90 μm wide, formed by a stacking of five chaplets, cells 13-16 μm, some cells pear-shaped, stigma large, anteriorly located, x 400, x 640, Takamatsu?, Matsumoto, Nagano Pref., Japan, May 2001, collected by N. Kinoshita, photo by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Eudorina Eudorina Eudorina
Eudorina Eudorina Eudorina

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