#beaver  large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges
  supertype:  rodent__gnawer__gnawing_animal__gnawinganimal  relatively small gnawing animals having a single pair of constantly growing incisor teeth specialized for gnawing
  subtype:  Old_World_beaver  New_World_beaver
  member of:  genus_Castor__Castor  type genus of the Castoridae: beavers
     member of:  family_Castoridae__Castoridae  beavers
        member of:  suborder_Sciuromorpha__Sciuromorpha  large more or less primitive rodents: squirrels; marmots; gophers; beavers; etc.
           member of:  order_Rodentia__Rodentia  small gnawing animals: porcupines; rats; mice; squirrels; marmots; beavers; gophers; voles; hamsters; guinea pigs; agoutis
              member of:  subclass_Eutheria__Eutheria  all mammals except monotremes and marsupials
                 member of:  class_Mammalia__Mammalia  warm-blooded vertebrates characterized by mammary glands in the female
                    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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