#rodent__gnawer__gnawing_animal__gnawinganimal  relatively small gnawing animals having a single pair of constantly growing incisor teeth specialized for gnawing
  supertype:  placental_mammal__placentalmammal__placental__eutherian__eutherian_mammal__eutherianmammal  mammals having a placenta; all mammals except monotremes and marsupials
  subtype:  mouse  rat  murine  water_rat  New_World_mouse  muskrat  round-tailed_muskrat  cotton_rat  wood_rat  hamster  gerbil  lemming  porcupine  jumping_mouse  jerboa  dormouse  squirrel  prairie_dog  marmot  beaver  mountain_beaver  cavy  mara  capybara  agouti  Cuniculus_paca  mountain_paca  Myocastor_coypus  Chinchilla_laniger  mountain_chinchilla  viscacha  abrocome  mole_rat  mole_rat.rodent  sand_rat
  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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