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: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Trachelomonas robusta Swirenko: Lorica nearly spherical or ovoid, covered with short spines; no collar; 20-26 μm long, 17-22 μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).