Order Rodentia - Suborder Hystricognathi Author Charles A. Woods text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 771 806 book chapter http://doi.org/10.5281/zenodo.7353083 1-56098-217-9 7353083 Ctenomys tucumanus Thomas, 1900 . Ann. Mag. Nat. Hist., ser. 7, 6:301 . TYPE LOCALITY: Argentina , Tucumân Prov. , 450 m . DISTRIBUTION: NW Argentina . COMMENTS: The chromosome no. is 2n=28. Considered distinct from mendocinus by Roig and Reig (1969:670) .