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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas volvocina
Ehrenberg 1833

Trachelomonas volvocina 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 Ehrenberg, lorica 23 μm long, 22 μm wide, L/W=1.0, x 640, Gozaisho marsh, Hachimantai, Hachimantai city (formerly Matsuo village), Iwate Pref., Japan, July 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas volvocina

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