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, anterior end rounded, posterior end conically tapering into a stout projection; lateral sides nearly straight or slightly swelled; flagellum apertures with a low collar having a circle of spines; wall covered with short spines; 36-40 μm long, 16-18.5 μm wide (Photomicrographs of the Fresh-water Algae, vol.6, 1987).
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Similar species ->> T. caudata;
T. crispa
lorica 34 x 15 μm
Kamishiro
Hakuba
Nagano, 2004
T. crispa
lorica 38 x 17 μm
Izumo Shrine
Izumo
Shimane, 2006
T. crispa
lorica μm
Kashiwa Village p.
Kashiwa
Chiba, 2008
