#black_rat__blackrat__roof_rat__Rattus_rattus common household pest originally from Asia that has spread worldwide supertype: rat any of various long-tailed rodents similar to but larger than a mouse member of: genus_Rattus__Rattus common house rats; upper incisors have a beveled edge 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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