life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Arthropoda Siebold, 1848 - arthropods
     Class Arachnida Lamarck, 1801
       Micrura Hansen & Sørensen, 1904
         Acaromorpha Dubinin, 1957
           Subclass Acari Leach, 1817 - mites and ticks
             Superorder Parasitiformes Reuter, 1909 - ticks and ticklike mites
               1.1 Order Ixodida Leach, 1815 - ticks
               1.2 Order Holothyrida Thon, 1905 - holothyrans
               2 Order Mesostigmata Canestrini, 1891