#echinoderm_genus  a genus of echinoderms
  supertype:  #genus__genu  (biology) taxonomic group containing one or more species
  member of:  #kingdom_Animalia
  subtype:  #genus_Euryale__Euryale  basket stars
  subtype:  #genus_Astrophyton__Astrophyton  includes many of the basket stars
  subtype:  #genus_Gorgonocephalus__Gorgonocephalus  basket stars
  subtype:  #genus_Ptilocrinus__Ptilocrinus  sea lilies
  subtype:  #genus_Antedon__Antedon  a genus of echinoderms of the family Antedonidae
     subtype:  #genus_Comatula__Comatula  former usage synonymous with Antedon
  subtype:  #genus_Holothuria__Holothuria  type genus of the Holothuridae

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