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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas hispida
Ehrenberg

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:
Similar species -- >> T. allia (broad cylindrical, spiny); T. klebsii (cylindrical, spiny); T. abrupta (cylindrical/ellipsoidal, dotted);

Trachelomonas hispida var. crenulatocollis (Maskell) Lemmermann, 1910, lorica 22 μm long, 16 μm wide (without collar), collar 4 μm heigh, 4 μm in diam., x 400, x 640, Saitama Pref., Japan, May-June 1999, 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

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