Octodon lunatus Osgood, 1943 . Field Mus. Nat. Hist. Pubi., Zool. Ser., 30:110.

TYPE LOCALITY: Chile, Valparaiso Prov., Olmue .

DISTRIBUTION: Coastal mountains of Valparaiso, Aconcagua, and Coquimbo Provs. (Chile) between 31°30' and 35°S.

STATUS: Common.

COMMENTS: Included in Octodon bridgesi by Tamayo and Frassinetti (1980:354). The chromosome no. is 2n=78 (Spotorno et al., 1988).