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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Trachelomonas hexangulata
Swirenko 1914

Trachelomonas hexangulata Genus: Euglenas in a close fitting lorica; a single long flagellum extends through small opening; lorica with or without short collar; yellow to brown (How to know the protozoa, 1979). Lorica often possesses numerous spines, composed of ferric hydroxide impregnated with brown manganic compound (Kudo, 1966).
Species:

Trachelomonas hexangulata (Swirenko) Palyfair var. repanda Prescott (or T. schewiakoffii Skvortzow ?), lorica 38 μm long (excluding collar), 20 μm wide, L/W=, collar 5 μm long, 4 μm wide, L/W=, x 640, Hasu-ike (lotus pond), Mizumoto Park, Tokyo, Japan, October 22, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas schewiakoffii Trachelomonas schewiakoffii
Trachelomonas schewiakoffii Trachelomonas schewiakoffii Trachelomonas schewiakoffii Trachelomonas schewiakoffii

Images of collecting locality: Hasu-ike (lotus pond), Mizumoto Park, Katshika-ku, Tokyo, Japan, October 22, 2006 by Y. Tsukii

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