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, 17-26 μm long, 13-22 μm wide; collar absent or short cylindrical; surface granulated (Illustrations of The Japanese Fresh-water Algae, 1977). |
31 μm
63 μm
94 μm; x 640
* Trachelomonas granulosa Playfair: Lorica borad ellipsoid covered with small granules; collar very short or absent; 17-26 μm long, 13-22 μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).
Trachelomonas playfairii Deflandre: Lorica broad ellipsoid, smooth, rounded at both end; collar slightly curved; 19-23 μm long, 16-18.5 μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).
Trachelomonas horrida Palmer: 40 μm long; covered with short spines (How to know the protozoa, 1979).
Trachelomonas teres: 35 μm; lorica ovoid, with distinct collar (How to know the protozoa, 1979).