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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Trachelomonas oblonga
Lemmermann, 1899 var. oblonga

Trachelomonas oblonga Genus: Euglenas in a close fitting lorica; a single long flagellum extends through small opening; lorica with or without short collar; yellow to brown (How to know the protozoa, 1979). Lorica often possesses numerous spines, composed of ferric hydroxide impregnated with brown manganic compound (Kudo, 1966).
Species: Lorica ellipsoidal, 10-16 μm long, 8-12 μm wide, surface smooth, collar present or periphery of the opening thickened, 2-3 chloroplasts saucer-shaped (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).


Trachelomonas sp. (T. oblonga ?), lorica ellipsoidal, 19 μm long, 15 μm wide, x 400, x 640, Japan, October 2000, 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


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