Phylum Ciliophora Doflein, 1901 - ciliates Subphylum Intramacronucleata Lynn, 1996 - amphiesmates Class Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans Subclass Scuticociliatia (E.B. Small, 1967) Order Pleuronematida Fauré-Fremiet, 1956