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|Noun||1.||Muridae - originally Old World rats now distributed worldwide; distinguished from the Cricetidae by typically lacking cheek pouches|
mammal family - a family of mammals
Muroidea, superfamily Muroidea - a superfamily of rodents essentially equal to the suborder Myomorpha but with the Dipodidae excluded
genus Mus, Mus - type genus of the Muridae: common house mice; the tips of the upper incisors have a square notch