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,
cell body 44 μm long, 25 μm wide,
x 100, x 400, Japan, 1998 by Y. Tsukii
50 μm
100 μm
150 μm; x 400