Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Superphylum Articulata Cuvier see Supraphylum Articulata Cuvier
           Phylum Arthropoda Siebold, 1848 - arthropods
             Subphylum Chelicerata Heymons, 1901
               Class Arachnida Lamarck, 1801
                 Order Acari Leach, 1817 - mites, ticks and chiggers see Subclass Acari Leach, 1817
                   Suborder Parasitiformes (Reuter, 1909) - mites and ticks see Order Parasitiformes Reuter, 1909
                     1 Family Parasitidae Oudemans, 1901
                     2 Family Poecilochiridae Willmann, 1940 see Family Parasitidae Oudemans, 1901
                     3 Family Laelaptidae see Family Laelapidae Berlese, 1892
                     4 Family Spinturnicidae Oudemans, 1901
                     5 Family Antennophoridae Berlese, 1892
                     6 Family Uropodidae Kramer, 1881
                     7 Family Trachytidae Trägårdh, 1938
                     8 Family Ixodidae Dugès, 1834
                     9 Family Argasidae Koch, 1844 - soft ticks