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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 var. americanum, cell body 220-250 μm long, 66 μm wide, macronucleus moniliform, fed on Chlorogonium fusiforme, fresh water, collected in Tokyo, Japan, 199? by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200
Blepharisma americanum Blepharisma americanum Blepharisma americanum
scale 50 μm scale 100 μm scale 150 μm; x 400
Blepharisma americanum Blepharisma americanum Blepharisma americanum

Blepharisma americanum, well-fed cell (left), starved cells, by Y. Tsukii
Blepharisma americanum Blepharisma americanum Blepharisma americanum Blepharisma americanum


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