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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas volvocina
Ehrenberg var. volvocina

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: Lorica 10-20 μm diam. (How to know the protozoa, 1979). Lorica spherical, no collar, smooth; 16-20 μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species --> > T. globularis;

Trachelomonas volvocina, lorica smooth, spherical in shape, 17 μm in diam., short collar present, x 640, Green-Park, Nishi-Urawa, Saitama Pref., Japan, June 2001 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

* T. volvocina Ehrenberg var. volvocina: Lorica 10-20 μm diam. (How to know the protozoa, 1979). Lorica spherical, no collar, smooth; 16-20 μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).

Trachelomonas volvocina Ehrenberg var. derephora Conrad: Lorica with short collar; 10-11 μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).

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