Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Peridiniobiota Starobogatov ex Doweld (2001)
       Subkingdom Parameciobiotina Starobogatov, 1986 [monotypic]
         Phylum Parameciozoa Kussakin & Drozdov, 1998
           Subphylum Parameciozoina Doweld, 2001
             Class Podophryatea Doweld, 2001
               Subclass Ancistrocomatatinea Doweld, 2001
                 1 Order Hypocomatida Deroux, 1976
                 2 Order Ancistrocomatida Doweld, 2001 [monotypic]