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).
Species:
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
31 μm
63 μm
94 μm; x 640