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Euglenophyceae: Euglenales
Mastigophora: Euglenida: Euglenina

 Euglena tripteris
(Dujardin) Klebs, 1883

Euglena tripteris Species: 70-120 μm long, 12-16 μm wide; elongate; three-ridged, rounded anteriorly and drawn out posteriorly; pellicle longitudinally striated; discoid chloroplasts numerous; two rod-shaped paramylon (paramylum) bodies (Kudo, 1966). 90-100 μm long; body twisted, with three longitudinal ridges (How to know the protozoa, 1979).
Similar species --> > E. oxyuris; E. gigas

Euglena tripteris (Dujardin) Klebs 1883, cell body 85 μm long, 12 μm wide, L/W=, flagellum about 50 μm long, x 640, Okubo Ryoke (picnic-no-mori), Akigase park, Saitama city, Saitama Pref., Japan, April 17, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euglena tripteris Euglena tripteris Euglena tripteris Euglena tripteris
Cell body 85 μm long, μm wide, L/W=16, flagellum about μm long, x 640
Euglena tripteris
Cell body 88 μm long, μm wide, L/W=15, flagellum about μm long, x 640
Euglena tripteris Euglena tripteris

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