Chlorophyceae:
Volvocales: Volvocaceae
Volvocida: Volvocina: Volvocidae
Eudorina illinoisensis
(Kofoid) Pascher 1927
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:
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Eudorina illinoisensis (Kofoid) Pascher,
young colony ellipsoidal, 45 μm long, 40 μm wide,
cell body nearly spherical, about 7 μm in diam.,
x 640, rice field, Yokonuma, Sakado city, Saitama Pref., Japan, July 18, 2004 by Y. Tsukii
100 μm
200 μm
300 μm; x 200 :
50 μm
100 μm
150 μm; x 400
Mature colony, ellipsoidal, 180 μm long, 150 μm wide,
cell body nearly spherical, about 18-20 μm in diam., x 400, x 640
Mature colony, ellipsoidal, 152 μm long, 130 μm wide,
cell body nearly spherical, about 17-19 μm in diam., x 400, x 640
Mature colony, ellipsoidal, μm long, μm wide,
cell body nearly spherical, about μm in diam., x 400, x 640
Mature colony, ellipsoidal, μm long, μm wide,
cell body nearly spherical, about μm in diam., x 400, x 640
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
50 μm
100 μm
150 μm; x 400
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