Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Cheliceriformes
       Class Chelicerata Heymons, 1901
         Subclass Arachnida Lamarck see Class Arachnida Lamarck, 1801
           Order Acari Leach, 1817 - mites, ticks and chiggers see Subclass Acari Leach, 1817
             1 Suborder Opilioacariformes - primitive mites see Superorder Opilioacariformes
             2 Suborder Parasitiformes Reuter, 1909 - mites and ticks see Order Parasitiformes Reuter, 1909
             3 Suborder Acariformes Zakhvatkin, 1952 - mites and chiggers see Order Acariformes Zakhvatkin, 1952