Species: 50-175 μm long,
8-18 μm wide;
body long spindle or cylindre, with a sharply pointed posterior end;
numerous discoid chloroplasts; several paramylon (paramylum) bodies; nucleus central; stigma distinct;
flagellum short, about one-fourth the body length (Kudo, 1966).
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31 μm
63 μm
94 μm; x 640
Euglena acus,
cell body 135 μm long, 9.5 μm wide,
x 640, Mitsumata-numa biotope, at the border of Kawagoe city, Kawajima town and Ageo city, Saitama Pref., Japan, March 21, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
