#order_Spatangoida__Spatangoida  heart-shaped sea urchins
  supertype:  animal_order  the order of animals
  member:  heart_urchin
  member of:  class_Echinoidea__Echinoidea  sea urchins and sand dollars
     member of:  phylum_Echinodermata__Echinodermata  radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
        member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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