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).
Rhabdostyla ovum Kent ?,
cell body 30 μm long, 18 μm wide,
x 640, Yanome-dam park, Nasu town, Tochigi Pref., Japan, March 28, 2004 by Y. Tsukii
94 μm; x 640