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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas similis
Stokes, 1890

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: Collar slanted, L/W ≥ 1/2; lorica ellipsoidal in shape, surface dotted
Similar species -- >> T. playfairi;

Trachelomonas similis Stokes 1890, lorica 23 μm long (excluding collar), 18 μm wide, L/W=1.3, collar μm long, μm wide, L/W=, x 640, Shirahata-Numa, Urawa, Saitama Pref., Japan, November 20, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas Trachelomonas Trachelomonas
Lorica 25 μm long (excluding collar), 16 μm wide, L/W=1.6, collar 3 μm long, 4 μm wide, L/W=0.75
Trachelomonas Trachelomonas

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