#family_Palaemonidae__Palaemonidae  prawns
  supertype:  #arthropod_family__arthropodfamily  any of the arthropods
  member of:  #suborder_Natantia
  member:  #genus_Palaemon__Palaemon  type genus of the family Palaemonidae; widely distributed genus
     member:  #prawn  shrimp-like decapod crustacean having two pairs of pincers; most are edible
     member:  #long-clawed_prawn__river_prawn__Palaemon_australis  large (a foot or more) edible freshwater prawn common in Australian rivers

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