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Genus: Postoral kineties usually to left of oral poykinetids (Illustrated Guide, 1985).
Left edge is more curved than right edge; cytopharynx with numerous strong fibrils; ectoplasm with
numerous fusiform trichocysts; macronucleus oval; one to several micronulei (Kudo, 1966).
Species: Cell body 150-600 μm long; anterior half of the cell broader than posterior half; posterior end slightly pointed; two ovoidal micronuclei; a single contractile vacuole (Kahl, 1930). |
100 μm
200 μm
400 μm; x 100 ;
50 μm
100 μm
200 μm; x 200
Frontonia marina, stock Tna-1, stained with Azure C,
cell body μm long, μm wide,
x 640, Nasu, Tochigi Pref., Japan, 2001 collected by H. Shiomizu, photo by Y. Tsukii
16 μm
32 μm
63 μm; x 640
