Reithrodontomys tenuirostris Merriam, 1901 . Proc. Washington Acad. Sci., 3:547.

TYPE LOCALITY: Guatemala, Huehuetenango Dept., Todos Santos, 10,000 ft .

DISTRIBUTION: Mountains of S Chiapas, Mexico, and C Guatemala.

SYNONYMS: aureus .

COMMENTS: Subgenus Aporodon, tenuirostris species group.