Genus:
Similar to Epistylis; but solitary with a non-contractile stalk; numerous species (Kudo, 1966).
Species:
Similar genus --> > Rhabdostyla Opisthostyla sp.,
cell body 38 μm long, 18 μm wide, peristome 18 μm wide,
x 640, Hirose athletic park, Kumagaya city, Saitama Pref., Japan, February 29, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640