Thomasomys cinnameus Anthony 1924
Thomasomys cinnameus Anthony 1924, Am. Mus . Novit., 139: 5.
Type Locality: Ecuador, Tungurahua Prov., east of Ambato, Hacienda San Francisco, 8000 ft (2438 m).
Vernacular Names: Cinnamon-colored Thomasomys.
Distribution: Cordillera Oriental, ca. 2400-3800 m, NC Ecuador (Tungurahua and Napo Provs.).
Discussion: A small form described as a species by Anthony (1924), later treated as a synonym of T. gracilis (Cabrera, 1961; Musser and Carleton, 1993), but resurrected by Voss (2003), who amplified its unique traits as compared with T. gracilis and T. hudsoni .