Phylum Ciliophora Doflein, 1901 - ciliates Subphylum Postciliodesmatophora Gerassimova & Seravin, 1976 - desmates Class Karyorelictea Corliss, 1974 Order Protostomatida Small & Lynn, 1985 1 Family Trachelocercidae Kent, 1881 2 Family Kentrophoridae Jankowski, 1980