#genus_Trionyx__Trionyx  type genus of the Trionychidae
  supertype:  #reptile_genus__reptilegenu  a genus of reptiles
  member:  #spiny_softshell  #smooth_softshell
  member of:  #family_Trionychidae__Trionychidae  soft-shelled turtles
     member of:  #order_Chelonia__Chelonia__Testudinata__order_Testudinata__Testudines__order_Testudines  tortoises and turtles
        member of:  #subclass_Anapsida__Anapsida  oldest known reptiles: turtles; extinct Permian forms
           member of:  #class_Reptilia__Reptilia  class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
              member of:  #subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
                 member of:  #phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
                    member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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