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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Trachelomonasx horrida
Palmer 1905

Trachelomonas 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: Lorica broad ellipsoidal, 38-40 μm long, 27-28 μm wide (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).


Trachelomonas horrida Palmer 1905, lorica 20 μm long, 16 μm wide, spines 3 μm long, x 400, x 640, Uruguay, November 1999, photo by Yuuji Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas Trachelomonas Trachelomonas
Trachelomonas Trachelomonas Trachelomonas
Trachelomonas Trachelomonas Trachelomonas


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