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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas volvocina
Ehrenberg var. punctata Playfair

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 (var. punctata): Lorica 10-14 μm diam., surface punctated (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species --> > T. globularis;

Trachelomonas volvocina var. punctata Playfair 1915, lorica 20 μm long, 18 μm wide, L/W=, x 640, Junichogata-suigo-koen (pond), Himi city, Toyama Pref., Japan, August 22, 2006, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas volvocina Trachelomonas volvocina Trachelomonas volvocina Trachelomonas volvocina

Images of collecting locality: No. 3, Junichogata-suigo-koen (pond), Himi city, Toyama Pref., Japan, August 22, 2006, by Y. Tsukii

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