Irenomys tarsalis (Philippi, 1900) . An. Mus. Nac. Chile Zool., 14: 10.

TYPE LOCALITY: Chile, Fundo San Juan, Valdivia Prov., near la Union .

DISTRIBUTION: Argentina; Chile; Chiloe Isl. and Guaitecas Isl. (Chile).

COMMENT: Includes longicaudatus; see Cabrera, 1961:498. Reise and Venegas, 1974, Bol. Soc. Biol. Concepcion, 47:71-85, extended the known distribution in Chile.

ISIS NUMBER: 5301410008018001001.