Thomasomys pyrrhonotus Thomas 1886

Thomasomys pyrrhonotus Thomas 1886, Ann. Mag. Nat. Hist., ser. 5, 18: 421.

Type Locality: Perú, Cajamarca Dept., Río Malleta, Tambillo, 5800 ft (1768 m).

Vernacular Names: Reddish-backed Thomasomys.

Synonyms: Thomasomys auricularis Anthony 1923 .

Distribution: Andes of S Ecuador and NW Perú.

Conservation: IUCN – Lower Risk (lc).

Discussion: Morphology redescribed and additional specimens reported by Pine (1980 b). Tirira (1999) listed auricularis as a valid species.