#class_Tentaculata__Tentaculata  ctenophores have retractile tentacles
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member:  order_Cydippida  order_Platyctenea  order_Cestida  order_Lobata
  member of:  phylum_Ctenophora__Ctenophora  comb jellies; sea acorns; a small phylum formerly considered a class of Coelenterata
     member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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