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  Animalia
    Bilateria
     Deuterostomia
      Echinodermata
             [Eleutherozoa]
             [Pelmatoza]
             [Pelmatozoa]
        Echinozoa
            Echinoidea
              Euechinoidea
                  Atelostomata
                    Spatangoida
                      Micrasterina
                            Loveniidae
                                     Echinocardium
                                             Echinocardium cordatum
                                             Echinocardium flavescens
                                             Echinocardium pennatifidum
                                     Lovenia
                                             Lovenia cordiformis