living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Arthropoda Siebold, 1848 - arthropods
           Subphylum Chelicerata Heymons, 1901
             Class Arachnida Lamarck, 1801
               Order Araneae Clerck, 1757 - spiders see Suborder Araneae Clerck, 1757
                 Suborder Labidognatha see Infraorder Araneomorphae Smith, 1902
                   Superfamily Palpimanoidea Thorell, 1869
                     ?Family Mecysmaucheniidae Simon, 1895
                       Genus Zearchaea Wilton, 1946