The Sierra Tontal tuco-tuco (''Ctenomys tulduco'') is a species of rodent in the family

Ctenomyidae A tuco-tuco is a neotropical rodent in the family Ctenomyidae.Parada, A., G. D’Elia, C.J. Bidau, and E.P. Lessa. 2011. Species Groups and the Evolutionary Diversification of Tuco-Tucos, genus ''Ctenomys'' (Rodentia: Ctenomyidae). ''Journal of M ...

. It is known only from a small locality in the

Sierra del Tontal The Sierra del Tontal is a mountain range in the southern part of San Juan Province, Argentina. The range is in the precordillera area of La Rioja, San Juan and Mendoza, in the Cuyo region. It extends south of the Sierra del Tigre, from which i ...

, San Juan Province, west central Argentina.

References

Tuco-tucos Mammals of Argentina Mammals of the Andes Mammals described in 1921 Taxa named by Oldfield Thomas {{rodent-stub