Marmosa formosa Shamel, 1930 . J. Mammal., 11:311.
TYPE LOCALITY: Argentina, Formosa, Riacho Pilaga, 16 km N. W. of Km 182 .
DISTRIBUTION: Formosa Prov., N. Argentina.
COMMENT: Formerly regarded as a subspecies of velutina by Cabrera, 1958:33; but see Kirsch and Calaby, 1977:14.
ISIS NUMBER: 5301402001009011001.