Ctenomys boliviensis Waterhouse, 1848 . Nat. Hist. Mamm., 2:278.

TYPE LOCALITY: Bolivia, Santa Cruz Dept., Santa Cruz de la Sierra .

DISTRIBUTION: C Bolivia at the foot of the Andes, W Paraguay, and Formosa Prov., Argentina.

SYNONYMS: goodfellowi.

COMMENTS: The chromosome no. is 2n=34-46.