Genus: Oval, flattened; more or less rigid; flagella arise from a cytostome, one trailing; protrusible
cytopharynx a long conical tubule (siphon) almost reaching posterior end; fresh water (Kudo, 1966).
Species: |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
A drainage ditch near rice field, Hirado, Yachiyo City, Chiba Pref., Japan, March 2, 2008 by Y. Tsukii
