Family: Small, spherical or pyriform trophonts; tentacles apical or evenly distributed;
swarmers with broad equatorial band of cilia (Illustrated Guide, 1985).
Genus: No stalk (Illustrated Guide, 1985).
Sphaerophrya (Podophryidae, Suctoria) attacking an hypotrich, Uroleptus,
cell body spherical or ellipsoidal, 15-20 μm in diam.,
x 400, x 640, Fukasaku-gawa Yusuichi, Saitama city, Saitama Pref., Japan, May 2002 by Y. Tsukii
150 μm; x 400 :
94 μm; x 640
A Sphaerophrya cell just attached on the tip of the cirri of Uroleptus
Two cells of Sphaerophrya absorbing the cytoplasm of the pray