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);

31 μm 63 μm 94 μm; x 640