Species:
Cell body ellipsoidal or nearly spherical, 10-22 μm long, 8-22 μm wide;
papilla absent; flagella 1.5-2 times longer than body length;
chloroplast cup-shaped;
a pyrenoid located at posterior half of the cell; stigma around equator, circular or elliptical in shape;
nucleus anterior; sexual reproduction by isogamy; zygote surface smooth, colored red
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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31 μm
63 μm
94 μm; x 640
Chlamydomonas sp.,
cell body 18 μm long, 15 μm wide, flagella 27 μm long,
pyrenoid located at posterior half of the cell, nucleus anterior,
x 640, river bank of Arakawa, near Doman-green Park, Nishi-Urawa, Saitama Pref., Japan, November 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
