#coelenterate__cnidarian  radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
  supertype:  #invertebrate  any animal lacking a backbone or notochord; the term is not used as a scientific classification
  part:  #coelenteron
  member of:  #phylum_Cnidaria
  subtype:  #polyp  one of two forms that coelenterates take e.g. a hydra or coral: usually sedentary and has a hollow cylindrical body usually with a ring of tentacles around the mouth
  subtype:  #medusa  one of two forms that coelenterates take: is the free-swimming sexual stage in the life cycle of a coelenterate and has a gelatinous umbrella-shaped body and tentacles
  subtype:  #jellyfish__medusa__medusan  any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans
     subtype:  #Aegina  small medusa
     subtype:  #Chrysaora_quinquecirrha  a type of jellyfish
  subtype:  #scyphozoan  any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle
  subtype:  #hydrozoan__hydroid  colonial coelenterates having the polyp phase dominant
     subtype:  #hydra  small tubular solitary freshwater hydrozoan polyp
     subtype:  #siphonophore  a floating or swimming oceanic colony of polyps often transparent or showily colored
        subtype:  #nanomia  small creatures resembling pieces of fuzzy rope; each with a cluster of swimming bells serving as the head and long elastic tentacles for drawing in prey
        subtype:  #Portuguese_man-of-war__man-of-war__jellyfish  large siphonophore having a bladderlike float and stinging tentacles
        subtype:  #praya  colonial siphonophore of up to 130 ft long
        subtype:  #apolemia  large siphonophore of up to 50 ft long
     subtype:  #sertularian  feathery colony of long-branched stems bearing stalkless paired polyps
  subtype:  #anthozoan__actinozoan  sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
     subtype:  #sea_anemone__seaanemone  marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton
        subtype:  #actinia__actinian__actiniarian  any sea anemone or related animal
     subtype:  #sea_pen__seapen  fleshy featherlike warm-water colonies
     subtype:  #coral.anthozoan  marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs
        subtype:  #gorgonian_coral__gorgoniancoral__gorgonian  corals having a horny of calcareous branching skeleton
           subtype:  #sea_feather__seafeather  corals forming featherlike colonies
           subtype:  #sea_fan__seafan  corals having a treelike or fan-shaped horny skeleton
           subtype:  #red_coral__redcoral  corals of especially the Mediterranean having pink or red color used for ornaments and jewelry
        subtype:  #stony_coral__stonycoral__madrepore__madriporian_coral__madriporiancoral  corals having calcareous skeletons aggregations of which form reefs and islands
           subtype:  #brain_coral__braincoral  massive reef-building coral having a convoluted and furrowed surface
           subtype:  #staghorn_coral__stag's-horn_coral  large branching coral resembling antlers
           subtype:  #mushroom_coral  flattened disk-shaped stony coral usually solitary

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