Akodon iniscatus Thomas, 1919 . Ann. Mag. Nat. Hist., ser. 9, 3:205.

TYPE LOCALITY: Argentina, Chubut Prov., Valle del Lago Blanco, Koslowsky region, 100 m .

DISTRIBUTION: WC to S Argentina.

SYNONYMS: collinus, nucus.

COMMENTS: Subgenus Akodon . The form nucus has been recently listed as a species (Hershkovitz, 1990c; Reig, 1987).