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: (Illustrations of The Japanese Fresh-water Algae, 1977).
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Similar species -->> T. ovoides;
T. pusilla ?
μm
drainage ditch
Sakura
Chiba, 2008
T. pusilla
18 x 14 μm
Nakai-numa p.
Yoshikawa
Saitama, 2006
T. pusilla
22 x 17 μm
Kareki-numa m.
Nikko
Tochigi, 2008
