 
 
|  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: 28-40 μm long, 25-31 μm diam., lorica broad ellipsoid, no collar anterior; both ends dented (Illustrations of The Japanese Fresh-water Algae, 1977). 
 | 
 50 μm
 50 μm
 100 μm
 100 μm
 150 μm; x 400 :
 150 μm; x 400 : 
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
