[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Subclass] Acari Leach, 1817 - mites and ticks
         [Order] Parasitiformes Reuter, 1909 see Superorder Parasitiformes Reuter, 1909
           Suborder Ixodida Leach, 1815 see Order Ixodida Leach, 1815
             Family Nutalliellidae orth. inval. see Family Nuttalliellidae Schulze, 1935