Phylum Ciliophora Doflein, 1901 - ciliates Subphylum Postciliodesmatophora Gerassimova & Seravin, 1976 - desmates Class Karyorelictea Corliss, 1974 Order Protoheterotrichida Nouzarède, 1977 1 Family Geleiidae Kahl, 1933