Euglenophyceae:
Heteronematales
Euglenida: Heteronematina
Entosiphon sp.
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).
Species:
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Similar Genus ->> Anisonema;
Rhabdomonas
Entosiphon,
cell body 23 μm long, 16 μm wide,
x 640, Kanayama chosei-chi (pond), Kiyose city, Tokyo, Japan, March 14, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Entosiphon sulcatum (Dujardin) Stein, 1878:
About 20 μm long
(Kudo, 1966; How to know the protozoa, 1979);
trailing flagellum more than twice the length of anterior one (How to know the protozoa, 1979);
20-25 μm long, 10-15
μm wide (Illustrated Guide, 1985);
Cell body ovoidal with 6-7 longitudinal grooves, 20-30 μm long, 12-18 μm wide;
anterior flagellum nearly the same as the cell body in length, trailing flagellum about twice of the cell body in length
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Please click on images for viewing enlarged.
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