The white-tipped Oldfield mouse (''Thomasomys caudivarius'') is a species of
rodent in the family
Cricetidae.
It is found in the
Andes from central
Ecuador to northern
Peru, at elevations from 2500 to 3350 m, where it lives in montane forest.
References
Mammals of Ecuador
Mammals of Peru
Thomasomys
Mammals described in 1923
{{Thomasomys-stub