Andalgalomys pearsoni (Myers, 1977) . Occas. Pap. Mus. Zool. Univ. Mich., 676:1.

TYPE LOCALITY: Paraguay, Boqueron Dept., 410 km (by road) N. W. of Villa Hayes .

DISTRIBUTION: Nueva Asuncion Dept, and Boqueron Dept. (Paraguay).

COMMENT: Formerly included in Graomys; see Williams and Mares, 1978, Ann. Carnegie Mus., 47: 193-221. Male accessory glands and taxonomy reviewed by Voss and Linzey, 1981, Misc. Publ. Mus. Zool. Univ. Mich., 159:1-41.