#genus_Castor__Castor  type genus of the Castoridae: beavers
  supertype:  mammal_genus  a genus of mammals
  member:  beaver
  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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