Species: 80-125 μm long,
10-35 μm wide; cylindrical; anterior end a little narrowed and rounded;
posterior end drawn out; spiral striae, made up of small knobs; many discoid chloroplasts;
two ovoidal paramylon (paramylum) bodies; flagellum about 1/4 the body length; sluggish (Kudo, 1966).
80-180 μm long. Several varieties:
var. suprema 140-180 μm, var. marchica, 85-165 micron, var. abruptacuminata,
130-145 μm (How to know the protozoa, 1979).
45-250 μm long,
5-35 μm wide (Illustrated guide, 1985).
Cell body 70-96 μm long, 10-14 μm wide,
two large paramylon bodies ring-shaped
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
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50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Euglena spirogyra,
cell body 115 μm long, 25 μm wide,
x 640, Omachi natural park, Ichikawa city, Chiba Pref., Japan, September 2001 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
