1 Natura - nature
   2.1 actualia - actual entities
     2 Mundus Plinius - physical world
       3 naturalia - natural bodies
         2 Biota
           3.2 Domain Eukaryota Chatton, 1925 - eukaryotes
             1 Amorphea Adl et al., 2012
               3.2 Opisthokonta Cavalier-Smith, 1987
                 1 Holozoa
                   2.2.2 Kingdom Animalia Linnaeus, 1758 - animals
                     3 Epitheliozoa Ax, 1996
                       2 Eumetazoa Bütschli, 1910 - eumetazoans
                         2 Bilateria Hatschek, 1888 - bilaterians
                           7 Eubilateria Ax, 1987
                             1 Protostomia Grobben, 1908
                               2 Ecdysozoa A.M.A. Aguinaldo et al., 1997 - ecdysozoans
                                 3 Superphylum Panarthropoda
                                   1.n.2.2 Phylum Arthropoda von Siebold, 1848 - arthropods
                                     3.n.2.2 Euarthropoda
                                       1.2.2 Subphylum Arachnomorpha Heider, 1913
                                         1.n Infraphylum Cheliceriformes
                                           2 Superclass Chelicerata
                                             3 Epiclass Euchelicerata Weygoldt & Paulus, 1979
                                               4 Class Arachnida Cuvier, 1812
                                                 1 Micrura Hansen & Sørensen, 1904
                                                   2 Megoperculata Börner, 1902
                                                     2 Pantetrapulmonata Shultz, 2007
                                                       2 Tetrapulmonata Shultz, 1990
                                                         2.1 Order Araneae Clerck, 1757 - spiders
                                                           2.2 Suborder Opisthothelae Pocock, 1892 - modern spiders
                                                             2 Infraorder Araneomorphae Smith, 1902
                                                               2 Neocribellatae
                                                                 2 Araneoclada
                                                                   2 Entelegynae
                                                                     3 "canoe tapetum clade"
                                                                       2.2 "divided cribellum clade"
                                                                         2 "RTA clade"
                                                                           4 "amaurobioids"
                                                                             2.2.2 Superfamily Lycosoidea
                                                                               2.1 "ctenoid complex"
                                                                                 1 Family Miturgidae Simon, 1885
                                                                                   Genus Cheiracanthium C.L. Koch, 1839
                                                                                     Cheiracanthium erraticum (Walckenaer, 1802)