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
                                                                 Subclass Dromopoda Shultz, 1990 [paraphyletic]
                                                                   Haplocnemata Börner, 1904, sedis mutabilis
                                                                     Order Pseudoscorpiones De Geer, 1778
                                                                       Homosphyronida Chamberlin, 1929
                                                                         Suborder Iocheirata Harvey, 1992
                                                                           Infraorder Hemictenata Balzan, 1892
                                                                             Superfamily Neobisioidea Chamberlin, 1930
                                                                               Family Syarinidae Chamberlin, 1930
                                                                                 Subfamily Chitrellinae Beier, 1932
                                                                                   Genus Microcreagrina Beier, 1961