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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas armata
(Ehrenberg) Stein var. armata

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: 30-60 μm long, Spines around rim of collar, also on rear 1/4 of lorica, fresh water (How to know the protozoa, 1979).

Trachelomonas armata (Ehrenberg) Stein var. armata, lorica smooth, with a few short spines at posterior end, 32 μm long, 26 μm wide, L/W=1.2, x 640, a small pond at Kumano park (nearby Kumano Shrine), Higashi-Murayama city, Tokyo, Japan, February 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas Trachelomonas

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