Thomasomys caudivarius Anthony 1923

Thomasomys caudivarius Anthony 1923, Am. Mus . Novit., 55: 4.

Type Locality: Ecuador, El Oro Prov., Cordillera de Chilla, Taraguacocha, 10,750 ft (3277 m).

Vernacular Names: White-tipped Thomasomys.

Distribution: Andes of C and S Ecuador (Bolivar and El Oro Provs. as per Luna and Pacheco, 2002).

Discussion: Described as a species and considered a large member of the " cinereus group" by Anthony (1923); relegated to a subspecies of T. cinereus by Cabrera (1961). Tirira (1999) check-listed caudivarius as a valid species, a status reaffirmed by Luna and Pacheco (2002).