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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Euglena obtusa
Schmitz, 1884

Euglena obtusa Species: Cell body cylindrical, both ends slightly attenuated and rounded, 104-123 μm long, 17-29 μm wide; euglenoid movement active; 28-40 chloroplasts saucer-shaped, each containing a pyrenoid at the center; locomotive flagellum short not extending out of canal; nucleus spherical, 18 x 14; eyespot (stigma) 5 μm long (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

Euglena obtusa Schmitz 1884, cell body 120 μm long, 21 μm wide, x 640, Nishikubo damp area, Miyadera, Iruma city, Saitama Pref., Japan, March 18, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euglena obtusa Euglena obtusa Euglena obtusa Euglena obtusa

Images of collecting locality: Nishikubo damp area, Miyadera, Iruma city, Saitama Pref., Japan, March 18, 2006 by Y. Tsukii

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