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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 28 μm long, 12 μm wide, recurrent flagellum about 100 μm long, x 640, Shimaru-no-ike, Kejo-numa, Furukawa city, Miyagi Pref., Japan, November 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Anisonema Anisonema Anisonema

T. octocostatus Stein: 35-63 μm long; fresh water (Kudo, 1966). Ovoid, pointed at rear; notched at anterior; short flagellum 1/4 of longer one, both held anteriorly in locomotion; fresh water (How to know the protozoa, 1979).


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