Euglenophyta: Euglenales
Mastigophora: Euglenida

 Trachelomonas armata
var. longispina (Playfair) Deflandre
Syn.: Trachelomonas armata (Ehrenberg) Stein var. planktonica Skvortzow

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).

Trachelomonas armata var. longispina, x 400, x 640, Aug. 7-13 1999, Vermont-Maine U.S.A., by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640


Trachelomonas armata var. longispina (Playfair) Deflandre: Lorica ellipsoid, no collar, covered with short dented projections, long spiny projections (3-6 μm long) at posterior end, size 41-44 μm long, 32-34 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

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