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Chlorophyceae: Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae

 Eudorina illinoisensis
(Kofoid) Pascher 1927

Eudorina Genus: Colonies composed of 16, 32, 64 or 128 (mostly 32) cells; 2-layered gelatinous envelope; mamillations anterior or posterior; cells spherical to ovoid with 2 equal-length apical flagella; eyespot present; anisogamy (Illustrated Guide, 1985).
Species:

Eudorina illinoisensis, young colony 42 μm long, 35 μm wide, cell body 6 μm in diam., x 400, x 640, near Todoroki green land, Kawasaki city, Kanawaga Pref., Japan, May 26, 2004 by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200 : scale 50 μm scale 100 μm scale 150 μm; x 400
Eudorina Eudorina Eudorina Eudorina
Juvenile colony 107 μm long, 73 μm wide, x 640
Eudorina Eudorina
Mature colony 134 μm long, 107 μm wide, x 640
Eudorina Eudorina
Mature colony 140 μm long, 105 μm wide, large cells 17 μm in diam., small cells 12 μm in diam., chloroplasts cup-shaped, longitudinally striaged, with several pyrenoids, gelatinous coat double-layered, x 400
Eudorina
x 640
Eudorina Eudorina Eudorina Eudorina Eudorina

Eudorina, colony ellipsoidal, 128 μm long, 100 μm wide, cell body μm long, μm wide, x 640, near Todoroki green land, Kawasaki city, Kanawaga Pref., Japan, May 26, 2004 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Eudorina Eudorina Eudorina

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