Ctenomys dorsalis Thomas, 1900

Chacoan tuco-tuco



Taxonomy & Nomenclature



Conservation Status


Last record: 1900 (Martin et al., 2023); 1940





Biology & Ecology










Original scientific description:

Thomas, Oldfield. (1900). Descriptions of new rodents from western South America. Ann. Mag. Nat. Hist., ser. 7, 6: 383-387.


Other references:

Bidau, C. J. (2015). Family Ctenomyidae Lesson, 1842, pp. 818-877. In: (J.L. Patton, U.F.J. Pardiñas and G. D’Elia, eds.) Mammals of South America, Volume 2 – Rodents. University of Chicago Press, Chicago, IL.

Contreras, J. R. and Roig, V. G. (1992). Las especies del género Ctenomys (Rodentia: Octodontidae). I. Ctenomys dorsalis Thomas, 1900. Notulas Faun. 34: 1-4.

de la Sancha, N.U., C. López-González, G. D’Elía, P. Myers, L. Valdez and M.L. Ortiz. 2017a. An annotated checklist of the mammals of Paraguay. Therya 8: 241–260.

Honacki, J.H., Kinman, K.E. and Koeppl, J.W. 1982. Mammal species of the world: A taxonomic and geographic reference. Allen Press.

Manuela Londoño-Gaviria, Pablo Teta, Sergio D. Ríos and Bruce D. Patterson. (2018). Redescription and phylogenetic position of Ctenomys dorsalis Thomas 1900, an enigmatic tuco tuco (Rodentia, Ctenomyidae) from the Paraguayan Chaco. Mammalia.

Martin, Thomas E., Bennett, Gareth C., Fairbairn, Andrew J. and Mooers, A. Ø. (2023). ‘Lost’ taxa and their conservation implications. Animal Conservation 26(1): 14-24. [Appendix S2 (1617 taxa not seen >10 years); Appendix S3 (562 taxa not seen >50 years)]

Ojeda, R. (2019). Ctenomys dorsalis. The IUCN Red List of Threatened Species 2019: e.T5803A22192708. Accessed on 29 May 2023.

Woods, C.A. and Kilpatrick, C.W. 2005. Infraorder Hystricognathi. In: Wilson, D.E. and Reeder, D.M. (eds), Mammal Species of the World, pp. 1538-1599. The Johns Hopkins University Press, Baltimore, MD, USA.


<< Back to the Rodents database