Euglenophyta: Euglenales
Mastigophora: Euglenida

 Entosiphon

Entosiphon Genus: Oval, flattened; more or less rigid; flagella arise from a cytostome, one trailing; protrusible cytopharynx a long conical tubule (siphon) almost reaching posterior end; fresh water (Kudo, 1966).

Entosiphon, x 400, x 640, Aug. 7-13 1999, Vermont-Maine U.S.A., 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

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