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Spirotrichea: Heterotrichia: Blepharismidae: Blepharisma

 Blepharisma americanum
var. trinodatum
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 var. trinodatum, fed on Chilomonas paramecium, cell body μm long, μm wide, x 400, x 640, Vermont-Maine U.S.A., August 7-13, 1999, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Blepharisma americanum Blepharisma americanum Blepharisma americanum Blepharisma americanum Blepharisma americanum

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