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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas dybowskii
Drezepolski, 1921

Trachelomonas dybowskii 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 broad ellipsoidal, 16-22 μm long, 12-18 μm wide, surface smooth, no collar (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000). Lorica 16-32 μm long, 10-18 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977).

Trachelomonas dybowskii Drezepolski, 1921, lorica smooth, broad ellipsoidal 22 μm long, 19.5 μm wide, covered with small granules, collar absent ?, x 640, Doman Green-Park, Nishi-Urawa, Saitama Pref., Japan, June 2001 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
Trachelomonas Trachelomonas Trachelomonas

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