Genus: Similar to Epistylis;
but solitary with a non-contractile stalk; numerous species (Kudo, 1966).
Attached to Cyclops, Cypris, other copepods in fresh water (How to know the protozoa, 1979).
Cell body 28 μm long (Kahl, 1930).
cell body about 50 μm long, 24 μm wide,
x 640, Yakusho-ji-ike Park, Kosugi town, Toyama Pref., Japan, September 2002, by Y. Tsukii
94 μm; x 640