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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Euglena polymorpha
P.A. Dangeard 1901

Euglena Genus:
Species: Cell body broad fusiform or cylindrical, 65-90 μm long, 22-30 μm wide, posterior slightly tapered, euglenoid movement active; chloroplasts saucer-shaped, slightly lobed (or wavy ?), 12-20 in number, a pyrenoid covered with paramylon sheath located at the center; a flagellum twice longer than the cell body; nucleus spherical 15 μm in diam., stigma 5 μm (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

Euglena (similar to E. polymorpha Dangeard, 1901), cell body 118 μm long, 16 μm wide, anterior truncated like E. deses, positerior tapered to a long caudal spine like E. acus, nucleus located at the center of the cell body, parietal chloroplasts large, disc-shaped, μm in diam., each containing a pyrenoid at the center, x 400, x 640, Green-Park, Nishi-Urawa, Saitama Pref., Japan, June 2001 by Y. Tsukii
scale 50 μm scale 100 μm scale150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Euglena Euglena Euglena Euglena Euglena
Euglena Euglena Euglena

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