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Oligohymenophorea (formerly Nassophorea): Peniculida: Frontoniina: Frontoniidae

Frontonia depressa
(Stokes, 1886)
Frontonia parvula Penard, 1922

Frontonia depressa 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 60-80 μm long; macronucleus short sausage-shaped; a single micronucleus; a single contractile vacuole (Kahl, 1930).
Similar Genus --> Disematostoma


Frontonia depressa large variety ?, cell body 109 μm long, μm wide, L/W=, x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, September 24, 2008 collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Frontonia Frontonia Frontonia Frontonia Frontonia


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