Family: Free swimming; most body kineties bipolar, cytostome apical.
Genus: Cytostome not preceded by invatination lined by body kineties.

Holophrya sp. 3 clips Iida-shinden Saitama Saitama, 1999

Holophrya sp. 4 clips Iida-shinden Saitama Saitama, 1999