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
             Suborder Parasitiformes (Reuter, 1909) - mites and ticks see Order Parasitiformes Reuter, 1909
               Genus Dermacentor Koch, 1844