 
 
|  Genus:  Colonial; without lorica; less than 3 turns of oral cilia; swarmer with median scopula 
(Illustrated Guide, 1985). 
Stalk not contractile; body contractile. Species: | 
 100 μm
 100 μm
 200 μm
 200 μm
 300 μm; x 200 :
 300 μm; x 200 : 
 50 μm
 50 μm
 100 μm
 100 μm
 150 μm; x 400
 150 μm; x 400
 
 
 
 
 
 
 
 
 
 
 
* Epistylis hentscheli Kahl, 1935: Cell body trumpet-shaped, slightly curved; 108-234 μm long, 36-79 μm wide; peristome 50-94 μm wide; peristomal disc extends forward with slope; pellicle striated; macronucleus horseshoe-shaped (Kojima, et al., 1995).
Epistylis chrysemidis: 
230-250 μm long; extra collar around 
peristome when expanded; cytopharynx large, deep; stalk branches dichotomously lacking 
myonemes; fresh water (How to know the protozoa, 1979). 
Epistylis cambari: 
Peristome 50 μm; common on gills of 
crayfish (How to know the protozoa, 1979).  
Epistylis niagarae: 
Up to 180 μm long; on western painted turtle 
(How to know the protozoa, 1979).
Epistylis urceolata: 
160 μm long; common on larvae of 
Chironomus (How to know the protozoa, 1979).