Podophryidae

Suctorian ciliates, trophont's body polyhedral with tentacles in fascicles.

Suctorian ciliates, trophont's body essentially spheroid; life cycle including a stalked cyst stage, and a stalked, loricate, parapodophryid-like stage.

Suctorian ciliates, trophont within a mucous cup; tentacles in fascicles; planktonic.

Suctorian ciliates, small, spherical or pyriform trophonts; typically without lorica (except see Kystopus life cycle); capitate tentacles apical or evenly distributed; swarmers with broad equatorial band of cilia.