Phylum Ciliophora Doflein, 1901 - ciliates
   Subphylum Intramacronucleata Lynn, 1996 - amphiesmates
     Class Litostomatea Small & Lynn, 1981
       Subclass Trichostomatia Bütschli, 1889
         Order Entodiniomorphida Reichenow, in Doflein & Reichenow, 1929
           1 Suborder Archistomatina de Puytorac et al., 1974
           2 Suborder Blepharocorythina Wolska, 1971
           3 Suborder Entodiniomorphina Reichenow, in Doflein & Reichenow, 1929