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Britannica Sources used in this answer

Which living species is the closest relative of the genus Mus?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Illustration of a house mouse, Mus musculus, showing a small, brownish-gray rodent with large ears, a pointed nose, and a long tail. A scale above indicates its length is about 10 centimeters or 4 inches.
mouse

The closest living relative of the genus Mus is the stripe-backed mouse (Muriculus imberbis), which is endemic to the mountains of Ethiopia.1

Species of Mus belong to the subfamily of Old World rats and mice (Murinae) within the family Muridae and the order Rodentia.12