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  Animalia
    Bilateria
     Deuterostomia
      Echinodermata
             [Eleutherozoa]
             [Pelmatoza]
             [Pelmatozoa]
        Asterozoa
               [Stelleroidea]
            Ophiuroidea
                    Ophiurida
                      Chilophiurina
                            Ophioleucidae
                                     Ophioleuce
                                             Ophioleuce oxycraspedon