Phylum Ciliophora Doflein, 1901 - ciliates Subphylum Intramacronucleata Lynn, 1996 - amphiesmates Class Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans Subclass Peniculia Fauré-Fremiet, 1956 Order Peniculida Fauré-Fremiet, 1956