#echinoderm  marine invertebrates with tube feet and calcite-covered five-part radially symmetrical bodies
  supertype:  #invertebrate  any animal lacking a backbone or notochord; the term is not used as a scientific classification
  subtype:  #starfish  #brittle_star  #basket_star  #sea_urchin  #crinoid  #sea_cucumber
  part:  #water_vascular_system  #ambulacrum  #tube_foot
  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

No statement uses or specializes #echinoderm; click here to add one.