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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 or Trachelomonas klebsii ?, cell body μm long, μm wide, L/W=, x 640, Shibu-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, July 20, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas klebsii

Images of collecting locality: Shibu-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, July 20, 2008 by Y. Tsukii

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