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Oligohymenophorea (formerly Nassophorea): Peniculida: Parameciidae

 Paramecium polycaryum
Woodruff, 1923

Paramecium polycaryum Genus: Cigar- or foot-shaped; a single macronucleus and 1 to several vesicular or compact microuclei (Kudo, 1966).
Species: Similar to P. bursaria in shape; 70-110 μm long; two contractile vacuoles; 3-4 vesicular micronuclei; autogamy; fresh water (Kudo, 1966).

P. polycaryum strain Yn A, intact cell (s), cell body 138-153 μm long, μm wide, x 400, Japan, 199? by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Paramecium polycaryum Paramecium polycaryum Paramecium polycaryum Paramecium polycaryum

P. polycaryum strain Yn A, double-stained with azure C and fastgreen, cell body μm long, μm wide, x 400, Japan, 199? by Y. Tsukii
Paramecium polycaryum Paramecium polycaryum

P. polycaryum strain Yn A, silver-stained, cell body μm long, μm wide, x 400, Japan, 199? by Y. Tsukii
Paramecium polycaryum

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