Class OLIGOHYMENOPHOREA de Puytorac et al., 1974

Subclass Peniculia Fauré-Fremiet in Corliss, 1956

Order Peniculida Fauré-Fremiet in Corliss, 1956

Subclass Scuticociliatia Small, 1967

Order Philasterida Small, 1967
Order Pleuronematida Fauré-Fremiet in Corliss, 1956
Order Thigmotrichida Chatton & Lwoff, 1922

Incertae sedis in Subclass Scuticociliatia

- Agigea Lepsi, 1965 [nomen nudum]

Fam. Schizocaryidae Jankowski, 1979

- Schizocaryum Poljansky & Golikova, 1957

Subclass Hymenostomatia Delage & Hérouard, 1896

Order Hymenostomatida Delage & Hérouard, 1896

Subclass Apostomatia Chatton & Lwoff, 1928

Order Apostomatida Chatton & Lwoff, 1928
Order Astomatophorida Jankowski, 1966
Order Pilisuctorida Jankowski, 1966

Subclass Peritrichia Stein, 1859

Order Sessilida Kahl, 1933
Order Mobilida Kahl, 1933

Subclass Astomatia Schewiakoff, 1896

Order Astomatida Schewiakoff, 1896

Sedis mutabilis in Class OLIGOHYMENOPHOREA

Azeridae Alekperov, 1985

- Azerella Alekperov, 1985

Nucleocorbulidae Santhakumari & Nair, 1970

- Nucleocorbula Santhakumari & Nair, 1970