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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Euglena caudata
Hübner, 1886

Euglena caudata Species: Cell body fusiform (spindle-shaped), posterior tapered into a long cauda, 60-84 μm long, 15-22 μm wide; active euglenoid movement; 9-15 chloroplasts saucer-shaped with a slight wavy margin, each containing a pyrenoid covered at both sides with paramylon sheath; a flagellum about 2/3 of body length; nucleus spherical, 12 μm in diam.; stigma (eyespot) 5-6 μm in diam. (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

Euglena caudata, cell body 86 μm long, 14 μm wide, pellicle finely striated, tapered at posterior end, chloroplasts saucer-shaped ?, stigma large, nucleus located at the center of the cell body, x 640, Shukei-ike (pond), Mihashi Park, Saitama city (Omiya), Saitama Pref., Japan, October 2002 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Euglena Euglena Euglena Euglena Euglena Euglena

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