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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Trachelomonas intermedia
Dangeard, 1901

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 broad ellipsoidal, 19-22 μm long, 15-17 μm wide, surface granulated, no collar but periphery of the opening thickened, 4-5 chloroplasts cup-shaped, with a pyrenoid covered by paramylon sheath (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Lorica spherical or ovoid, slightly narrowed to anterior end, 20-25 μm long, 16-18 μm wide; surface dotted; collar absent but periphery of flagellar opening thickened (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species -- >> T. dybowskii; T. granulosa;


Trachelomonas intermedia Dangeard 1901, lorica 22 μm long, 17 μm wide, L/W=, collar absent, x 640, Akasaka-numa (pond), Iwatsuki-ku (formerly Iwatsuki city), Saitama city, Saitama Pref., Japan, April 9, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas Trachelomonas

Images of collecting locality: Akasaka-numa (pond), Iwatsuki-ku (formerly Iwatsuki city), Saitama city, Saitama Pref., Japan, April 9, 2006 by Y. Tsukii


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