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• Domain: Eukaryota () - Whittaker & Margulis,1978 - eukaryotes
  • Kingdom: Animalia () - C. Linnaeus, 1758 - animals
    • Subkingdom: Bilateria () - (Hatschek, 1888) Cavalier-Smith, 1983
      • Branch: Deuterostomia () - Grobben, 1908
        • Infrakingdom: Coelomopora () - (Marcus, 1958) Cavalier-Smith, 1998
          • Phylum: Echinodermata () - Klein, 1734 ex De Brugière, 1789 - Echinoderms
            • Subphylum: Eleutherozoa () - Bell, 1891
              • Infraphylum: Echinozoa () - Haeckel, in Von Zittell, 1895
                • Class: Echinoidea () - Sea Urchins and Sand Dollars
                  • Subclass: Euechinoidea ()
                    • Superorder: Echinacea ()
                      • Order: Salenioida () - Delage & Herouard, 1903
                        • Family: Saleniidae () -  
                          • Genus: Salenia () - Gray, 1835
                            • Specific name: belgica
                              • Scientific name: - Salenia belgica