image_list image_listE

Euglenophyceae: Heteronematales
Euglenida: Heteronematina

Entosiphon sulcatum
(Dujardin) Stein 1878

Entosiphon 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).
Similar Genus ->> Anisonema; Rhabdomonas

Entosiphon, cell body 28 μm long, 13 μm wide, 6 grooves, x 640, Near Matsuhisa railway station, Misato town, Saitama Pref., Japan, June 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Entosiphon Entosiphon Entosiphon Entosiphon

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.
Copyright Protist Information Server