Phylum Ciliophora Doflein, 1901 - ciliates Subphylum Intramacronucleata Lynn, 1996 - amphiesmates Class Oligohymenophorea de Puytorac et al., 1974 - oligohymenophoreans Subclass Peniculia Fauré-Fremiet, 1956 1 Order Peniculida Fauré-Fremiet, 1956 2 Order Urocentrida Jankowski, 1980