Euglenophyceae:
Sphenomonadales
Euglenida: Sphenomonadida: Anisonemidae
Anisonema sp.
Dujardin
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:
|
Anisonema sp.,
cell body 14 μm long, 7.5 μm wide,
x 640, Otto-Numa (pond), Tsuchiura city, Ibaraki Pref., Japan, July 2002 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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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