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Euglenophyceae: Sphenomonadales
Euglenida: Sphenomonadida: Anisonemidae

 Anisonema acinus
Dujardin, 1841

Anisonema Genus: Generally ovoid; asymmetrical; plastic or rigid; a slit-like ventral furrow; flagella at anterior end; cytopharynx long; contractile vacuole anterior; nucleus posterior (Kudo, 1966). Lightly striated; trailing flagellum longer than anterior one (How to know the protozoa, 1979).
Species: 25-40 μm long, 16-22 μm wide; rigid, oval; somewhat flattened; pellicle slightly striated (Kudo, 1966). Rigid; faintly spirally striated; fresh water (How to know the protozoa, 1979).

Anisonema acinus, cell body 24 μm long, 15 μm wide, L/W=, recurrent flagellulm 67 μm long, x 640, Watarase-yusuichi (Watarase Wetland), Fujioka town, Tochigi Pref., Japan, March 30, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Anisonema acinus
Cell body 18 μm long, 11 μm wide, L/W=, recurrent flagellulm 60 μm long, anterior flagellulm about 40 μm long, x 640
Anisonema acinus Anisonema acinus

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