Euglenophyceae:
Euglenales
Mastigophora: Euglenida
Euglena acus
Ehrenberg, 1830
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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Similar species -->>
Cyclidiopsis;
E. limnophila;
Euglena acus Ehrenberg 1830,
cell body 125 μm long, 10 μm wide, stigma distinct, sharply pointed posterior end,
chloroplasts many, disc-shaped, 3-4 μm in diam.,
paramylon bodies rod-shaped, about 13 μm long, flagellum short,
x400, x 640, Saitama Pref., Japan, May-June 1999 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Euglena acus,
cell body 120 μm long, 11 μm wide, stigma distinct, sharply pointed posterior end,
chloroplasts many, disc-shaped, 3-4 μm in diam.,
paramylon bodies rod-shaped, 12-14 μm long, flagellum short,
x400, x 640, Saitama Pref., May-June 1999 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
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