Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota J.R. Wagner, 2004 [J. Wiemann et al., 2020]
           Clade neomura T. Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria T. Cavalier-Smith, 2022(2021)
                 Clade dorsates T. Cavalier-Smith, 2022(2021)
                   Clade podiates T. Cavalier-Smith, 2013(2012)
                     [crown] Clade Amorphea S.M. Adl et al., 2012 [A.G.B. Simpson et al., 2020]
                       [crown] Clade Obazoa M.W. Brown et al., 2013, nom. cl. nov.
                         [crown] Clade Opisthokonta T. Cavalier-Smith, 1987 [A.G.B. Simpson & M. Medina, 2020] - animal-fungal clade
                           Superkingdom Holozoa B.F. Lang et al., 2002
                             Clade filozoa K. Shalchian-Tabrizi et al., 2008, nom. cl. nov.
                               Kingdom Animalia C. Linnaeus, 1758 - animals
                                 Clade Planulozoa A. Wallberg et al., 2004, nom. cl. nov.
                                   Subkingdom Bilateria (Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians
                                     Clade Nephrozoa U. Jondelius et al., 2002, nom. cl. nov.
                                       Infrakingdom Protostomia Grobben, 1908
                                         Superphylum Ecdysozoa (A.M.A. Aguinaldo et al., 1997)
                                           Panarthropoda C. Nielsen, 1995 - panarthropods
                                             Tactopoda Budd, 2001
                                               Phylum Arthropoda von Siebold, 1848 - arthropods
                                                 Euarthropoda
                                                   Subphylum Chelicerata Heymons, 1901
                                                     Euchelicerata Weygoldt & Paulus, 1979
                                                       Prosomapoda J.C. Lamsdell, 2013
                                                         Planaterga J.C. Lamsdell, 2013
                                                           Dekatriata J.C. Lamsdell, 2013
                                                             Sclerophorata Kamenz et al., 2011
                                                               Class Arachnida J.B. Lamarck, 1801
                                                                 Micrura Hansen & Sørensen, 1904
                                                                   Acaromorpha Dubinin, 1957
                                                                     Subclass Acari Leach, 1817 - mites and ticks
                                                                       Superorder Acariformes Zakhvatkin, 1952 - mitelike mites
                                                                         Order Trombidiformes Reuter, 1909
                                                                           Suborder Prostigmata Kramer, 1877
                                                                             Infraorder Anystina van der Hammen, 1972
                                                                               Hyporder Parasitengona Oudemans, 1909
                                                                                 Hydrachnidia (G.W. Krantz, 1978) - water mites
                                                                                   Euhydrachnidia H. Witte & R. Olomski, in R. Schuster & P.W. Murphy, eds., 1991
                                                                                     Neohydrachnidia H. Witte & R. Olomski, in R. Schuster & P.W. Murphy, eds., 1991
                                                                                       Superfamily Hygrobatoidea C.L. Koch, 1842
                                                                                         Family Unionicolidae Oudemans, 1909
                                                                                           Subfamily Pollicipalpinae K. Viets, 1924 [monotypic]
                                                                                             1 Genus Pollicipalpusᵀ Viets, 1924