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Spirotrichea: Heterotrichia: Blepharismidae: Blepharisma

 Blepharisma americanum
Suzuki, 1954
Synonym: B. undulans americanus Suzuki, 1954

Blepharisma americanum 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).
Blepharisma americanum, a conjugating pair, intact cells and cells stained with azure C, cell body μm long, μm wide, x 400, Japan, 199? by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200
Blepharisma americanum Blepharisma americanum Blepharisma americanum Blepharisma americanum
Blepharisma americanum Blepharisma americanum Blepharisma americanum Blepharisma americanum Blepharisma americanum Blepharisma americanum

Blepharisma americanum, an exconjugant cell with two macronuclear anlage, azure C stained, by Y. Tsukii
Blepharisma americanum

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