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Euglenophyceae: Sphenomonadales
Euglenida: Sphenomonadida: Anisonemidae

Anisonema acinus
Dujardin, 1841

Anisonema acinus 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, a dividing cell, cell body rigid, oval, μm long, μm wide, recurrent (trailing) flagellum μm long (longer than anterior flagellum), contractile vacuole anterior, x 400, x 640, Saitama Pref., Japan, May-June 1999, 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
Anisonema Anisonema Anisonema Anisonema Anisonema

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