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 leucodon Waterhouse, 1848 . Nat. Hist. Mamm., 2:281 . TYPE LOCALITY: Bolivia , La Paz Dept., San Andres de Machaca . DISTRIBUTION: W Bolivia and E Peru around Lake Titicaca. COMMENTS: See Cook et al. (1990:2-3) . The chromosome no. is 2n=36; FN=68.