|     Spirotrichea: Heterotrichia: Blepharismidae: BlepharismaBlepharisma americanumvar. trinodatum Suzuki, 1954 Synonym: B. undulans americanus Suzuki, 1954 
 | 
|  Genus: Elongate, ovoid; anterior apex often curves over the peristome; non contractile (Carey, 1992).  
In front of cytostome a two-layered undulating membrane on right edge; contractile vacuole and 
cytopyge terminal; rose-colored; many species (Kudo, 1966). Species: Pink, 115-220 μm long; peristome nearly 1/2 cell length with conspicuous undulating membrane; macronucleus multinodal with 3-7 nodes (moniliform); 6-20 micronuclei (Giese, 1973). 150-300 μm long (How to know the protozoa, 1979). | 
 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
 
 
 
 
