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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, test anterior slightly narrow than posterior, 26 μm long, 12-13 μm wide, collar absent, x 640, near Yanase river, Mizuko, Fujimi city, Saitama Pref., Japan, December 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas lacustris Trachelomonas lacustris Trachelomonas lacustris

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