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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas caudata
(Ehrenberg) F. Stein 1878

Trachelomonas Species: Lorica ellipsoid to nearly fusiform, posterior end conically tapering into a stout projection; flagellum apertures with a low collar having a circle of spines; wall covered with short spines; 48-50 μm long, 20-23 μm wide (Photomicrographs of the Fresh-water Algae, vol.3, 1985).

Trachelomonas caudata (Ehrenberg) Stein (or Strombomonas caudata ?), lorica 54 μm long (including collar, 5 μm long), 22 μm wide, L/W=2.5, covered with short spines (1.5 μm long), x 640, No.1, Iyari marsh, Omachi city, Nagano Pref., Japan, June 4, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas caudata Trachelomonas caudata Trachelomonas caudata
Lorica 59 μm long (including collar, 5 μm long), 22 μm wide, L/W=2.7, covered with short spines (1.5 μm long), x 640
Trachelomonas caudata Trachelomonas caudata Trachelomonas caudata

Images of collecting locality: No.1, Iyari marsh, Omachi city, Nagano Pref., Japan, June 4, 2007 by Y. Tsukii

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