Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Chelicerata Heymons, 1901
       Class Arachnida Lamarck, 1801
         Superorder Parasitiformes Reuter, 1909 - ticks and ticklike mites
           Order Mesostigmata Canestrini, 1891
             1 Suborder Sejida Kramer, 1885
             2 Suborder Trigynaspida Camin & Gorirossi, 1955
             3 Suborder Monogynaspida Camin & Gorirossi, 1955