Bolomys amoenus (Thomas, 1900) . Ann. Mag. Nat. Hist., ser. 7, 6:468.

TYPE LOCALITY: Peru, Arequipa Dept., Calalla, Rio Colca, near Sumbay, 3500 m .

DISTRIBUTION: Highlands of SE Peru and WC Bolivia (after Anderson and Olds, 1989).

COMMENTS: Morphological definition as type species of genus clarified by Reig (1987).