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• Domain: Eukaryota () - Whittaker & Margulis,1978
  • Kingdom: Animalia () - Linnaeus, 1758 - animals
    • Subkingdom: Bilateria () - (Hatschek, 1888) Cavalier-Smith, 1983
      • Branch: Protostomia () - Grobben, 1908
        • Infrakingdom: Ecdysozoa () - Aguinaldo Et Al., 1997 Ex Cavalier-Smith, 1998
          • Superphylum: Panarthropoda () - Cuvier
            • Phylum: Arthropoda () - Latreille, 1829 - arthropods
              • Subphylum: Arachnomorpha () - Heider, 1913
                • Infraphylum: Cheliceriformes ()
                  • Superclass: Chelicerata ()
                    • Epiclass: Euchelicerata ()
                      • Class: Arachnida () - Cuvier, 1812 - Arachnids
                        • Subclass: Micrura ()
                          • Order: Araneae () - Clerck, 1757 - Spiders
                            • Suborder: Mesothelae ()
                              • Family: Liphistiidae () - Thorell, 1869
                                • Genus: Ryuthela ()
                                  • Specific name: owadai - Ono, 1997
                                    • Scientific name: - Ryuthela owadai Ono, 1997