#genus_Ptilocrinus__Ptilocrinus  sea lilies
  supertype:  #echinoderm_genus  a genus of echinoderms
  member:  #sea_lily
  member of:  #class_Crinoidea__Crinoidea  sea lilies
     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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