#genus_Hydromys__Hydromys  water rats
  supertype:  mammal_genus  a genus of mammals
  member:  beaver_rat
  member of:  subfamily_Hydromyinae__Hydromyinae  water rats of Australia and New Guinea
     member of:  family_Muridae__Muridae  originally Old World rats now distributed worldwide; distinguished from the Cricetidae by typically lacking cheek pouches
        member of:  superfamily_Muroidea__Muroidea  essential equal to suborder Myomorpha with the Dipodidae excluded
           member of:  suborder_Myomorpha__Myomorpha  true rats and mice and related rodents
              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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