#echinoderm_family  a family of echinoderms
  supertype:  family  (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"
  member of:  kingdom_Animalia
  subtype:  family_Antedonidae__Antedonidae  feather stars
     subtype:  family_Comatulidae__Comatulidae  former usage synonymous with Antedonidae
  subtype:  family_Holothuridae__Holothuridae  a family of Holothuroidea

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