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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas planktonica
var. oblonga Drezepolski

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 straight, L/W ≥ 3/4; lorica broad ellipsoidal in shape, surface dotted

Trachelomonas planktonica Swirenko 1914, long collar present, lorica 26 μm long (including collar, 5 μm), 18 μm wide, x 640, Sannoh park, Nishi-ku, Saitama city, Saitama Pref., Japan, July 4, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas Trachelomonas Trachelomonas Trachelomonas Trachelomonas

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