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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas allia
Drezepolski emend. Deflandre, 1926

Trachelomonas Species: Lorica cylindrical, both ends broad circular, 25-34 μm long, 15-19 μm wide, collar absent (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Similar species -- >> T. klebsii (cylindrical, spiny); T. hispida (ellipsoidal, spiny); T. abrupta (cylindrical/ellipsoidal, dotted); T. lacustris (elongated cylindrical, dotted);

Trachelomonas allia Drezepolski emend. Deflandre, lorica 32 μm long, 20 μm wide, L/W=1.6, covered with small spines 2 μm long, a short collar present, x 640, Shimo-no-koike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 17, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas allia Trachelomonas allia Trachelomonas allia

Images of collecting locality: Shimo-no-koike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 17, 2007 by Y. Tsukii

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