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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas lacustris
Drezepolski var. lacustris

Trachelomonas Species: Lorica elongated cylindrical, covered with dots (var. lacustris dots present hole lorica, 25-30 x 12-15 μm, var. ovalis dots restricted at both ends, 22 x 12 μm) (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000)
Similar species -->> T. abrupta (cylindrical/ellipsoidal, dotted); T. klebsii (cylindrical, spiny); T. cylindrica (elongated cylindrical, smooth); T. pulcherrima (elongated ellipsoidal, smooth);

Trachelomonas lacustris Drezepolski var. lacustris (or T. klebsi ?), lorica 23 μm long, 11 μm wide, L/W=2.1, x 640, Yasuragi-no-ike (pond), Oura central park, Oura town, Gunma Pref., Japan, February 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas Trachelomonas

Images of collecting locality: Yasuragi-no-ike (pond), Oura central park, Oura town, Gunma Pref., Japan, February 2006 by Y. Tsukii

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