Thomasomys popayanus J. A. Allen 1912
Thomasomys popayanus J. A. Allen 1912, Bull. Am. Mus . Nat. Hist., 31: 81.
Type Locality: Colombia, Cauca Dept., Cordillera Occidental, 40 mi (64 km)W Popayán, 10,340 ft (3152 m).
Vernacular Names: Popayan Thomasomys.
Synonyms: Thomasomys nicefori Thomas 1921 .
Distribution: Andes of W and C Colombia.
Discussion: Reduced to a subspecies of T. aureus by Ellerman (1941), a synonymy repeated by others (Cabrera, 1961; Musser and Carleton, 1993). Species stature, provisionally including nicefori, argued by Voss (2003).