Phylum Ciliophora Doflein, 1901 - ciliates Subphylum Intramacronucleata Lynn, 1996 - amphiesmates Class Litostomatea Small & Lynn, 1981 Subclass Haptoria Corliss, 1974 1 Order Haptorida Corliss, 1974 2 Order Pleurostomatida Schewiakoff, 1896 3 ?Order Cyclotrichiida Jankowski, 1980