Genus:
Similar to Epistylis; but solitary with a non-contractile stalk; numerous species (Kudo, 1966).
Species:
Cell body 22 μm long (Kahl, 1930).
Similar genus --> > Rhabdostyla Opisthostyla annulata Stokes 1886,
cell body 31 μm long, 16 μm wide,
stalk 43 μm long, cell surface transversely lined,
x 100, x 200, x 640, Japan, 1998 by Y. Tsukii
31 μm
63 μm
94 μm; x 640