Subclass Acari Leach, 1817 - mites and ticks
   Superorder Parasitiformes Reuter, 1909 - ticks and ticklike mites
     Order Mesostigmata Canestrini, 1891
       Suborder Monogynaspida Camin & Gorirossi, 1955
         Cohort Gamasina Kramer, 1881 see Infraorder Gamasina Kramer, 1881
           Subcohort Epicriiae Vitzthum, 1938 see Hyporder Epicriiae Kramer, 1885
             1 Superfamily Epicrioidea Berlese, 1885
             2 Superfamily Zerconoidea Canestrini, 1891