Margaretamys Musser, 1981 . Bull. Am. Mus. Nat. Hist., 168(3):275.

TYPE SPECIES: Mus beccarii Jentink, 1880 .

COMMENTS: Morphological, chromosomal, and distributional features monographed by Musser (1981 b). Spermatozoal morphology distinctive and similar among the three species (Breed and Musser, 1991). Member of the Sulawesi Old Endemics (Musser, 1981c).