Order: No kinetidal specializations at oral region. Family: Free swimming; most body kineties bipolar, cytostome apical. Genus: Cytostome not preceded by invatination lined by body kineties. Species: Cell body spherical in shape, 60-80 μm in diam. (Kahl, Urtiere oder Protozoa I, 1930).

50 μm 100 μm 150 μm; x 400