#swimming_crab  marine crab with some legs flattened and fringed for swimming
  supertype:  #crab  decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
  subtype:  #English_lady_crab  #American_lady_crab  #Callinectes_sapidus
  member of:  #family_Portunidae__Portunidae  swimming crabs
     member of:  #suborder_Brachyura__Brachyura  an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
        member of:  #suborder_Reptantia__Reptantia  lobsters; crabs
           member of:  #Decapoda__order_Decapoda  lobsters; crayfish; crabs; shrimps; prawns
              member of:  #subclass_Malacostraca__Malacostraca  largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies
                 member of:  #class_Crustacea__Crustacea  class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles; decapods; water fleas
                    member of:  #phylum_Arthropoda__Arthropoda  jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
                       member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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