#genus_Dreissena__Dreissena  zebra mussels
  supertype:  #mollusk_genus__molluskgenu  a genus of mollusks
  member of:  #family_Unionidae
  member:  #zebra_mussel__zebramussel__Dreissena_polymorpha  inch-long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels

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