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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Euglena mutabilis
F. Schmitz 1884

Euglena mutabilis Species: 70-170 μm long, 25-36 μm wide; cell body cylindrical; anterior rounded and posterior tapered; spiral striation; nucleus posterior; flagellum longer than body; stigma about 7 μm in diam., many fusiform chloroplasts aligned with the striae; numerous haematochrome granules; paramylum bodies ovoid (Kudo, 1966).

Euglena mutabilis Schmitz, cell body about 150 μm long, 15 μm wide, L/W=10.0, x 640, Yata-gawa (Yata river), Gunma-no-suigo-koen (park), Itakura town, Gunma Pref., Japan, February 18, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euglena mutabilis Euglena mutabilis Euglena mutabilis Euglena mutabilis

Images of collecting locality: Yata-gawa (Yata river), Gunma-no-suigo-koen (park), Itakura town, Gunma Pref., Japan, February 18, 2006 by Y. Tsukii

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