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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Trachelomonas dubia
(Swirenko) Deflandre 1926

Trachelomonas 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 cylindrical, 26-28 μm long, 11-14 μm wide; posterior end rounded; surface smooth; collar present (cylindrical) (Illustrations of The Japanese Fresh-water Algae, 1977).


Trachelomonas dubia Swirenko emend Deflandre ?, lorica with collar 23 μm long, 11 μm wide, Mashiko City, Tochigi-Pref., Japan, November 1999, collected by H. Shiomizu, photo 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 Trachelomonas


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