 
 
|  Genus: 
Only 1 flagellum emergent from canal, colourless; eyespot absent; 
cell body fusiform or elongated, plastic, with pronounced euglenoid movement; 
many species, mostly freshwater (Illustrated Guide, 1985). Species: Cell body cylindroid with posterior end rounded, 45 μm long, 10 μm wide; a flagellum more or less longer than the body length; ovoidal paramylum granules (WPRNO). | 
 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
 
 
