Tolypeutes matacus (Desmarest, 1804) . Tabl. Meth. Mamm., p. 28.

TYPE LOCALITY: Argentina, Tucuman, Tucuman .

DISTRIBUTION: Santa Cruz (S.E. Bolivia), east to Mato Grosso (S.W. Brazil) south through the Gran Chaco to Santa Cruz (S. Argentina).

COMMENT: Sanborn, 1930, J. Mammal., 11:66, reduced matacus to a subspecies of tricinctus, but it was retained as a species by Wetzel, 1982, in Montgomery, ed., Smithson. Inst. Press, Washington, D.C. Type locality was restricted by Sanborn, 1930, J. Mammal., 11:62.

ISIS NUMBER: 5301407003008001001.