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