Genus: Ovoid; ciliation uniform; long stiff cilia (bristles) distributed over the body surface;
peristome deep, both anterior and posterior regions with a well-developed membranes connected
with undulating membrane (velum); two macronucleus; 1-2 micronuclei; several contractile
vacuoles; fresh water (Kudo, 1966).
Species: |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.5, Ryugahara marsh, Chokai mountain, Yuri-Honjo city, Akita Pref., Japan, September 29, 2008 by Y. Tsukii
