#family_Physidae__Physidae  freshwater snails
  supertype:  mollusk_family__molluskfamily  a family of mollusks
  member:  genus_Physa
  member of:  order_Pulmonata__Pulmonata  large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails
     member of:  class_Gastropoda__Gastropoda__Gasteropoda__class_Gasteropoda  snails and slugs and their relatives
        member of:  phylum_Mollusca__Mollusca  gastropods; bivalves; cephalopods; chitons
           member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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