Santamartamys rufodorsalis (J.A. Allen, 1899:197)

Red(-)crested tree rat, Santa Marta Toro



Taxonomy & Nomenclature

Synonym/s: Isothrix rufodorsalis J.A. Allen, 1899:197; Diplomys rufodorsalis (J.A. Allen, 1899:197)


Conservation Status

Last record: 1899

Rediscovered in 4 May 2011

IUCN RedList status: Critically Endangered



Sierra Nevada de Santa Marta, Colombia


Biology & Ecology










Original scientific description:

Allen, J. A. (1899). New rodents from Colombia and Venezuela. Bulletin of the American Museum of Natural History 12: 195-218.


Other references:

Emmons, Louise H. (2005). A revision of the arboreal Echimyidae (Rodentia: Echimyidae, Echimyinae); with descriptions of two new genera, pp. 247-309. In: Lacey, E. A and Myers, P. (eds.). Mammalian Diversification: From Chromosomes to Phylogeography (A Celebration of the Career of James L. Patton). Berkley, USA: University of California Press.

Emmons, Louise H. and Feer, F. (1997). Neotropical Rainforest Mammals: A Field Guide, Second edition. University of Chicago Press, Chicago, IL, USA.

Fabre, P.-H., Upham, N. S., Emmons, L. H., Justy, F., Leite, Y. L. R., Loss, A. C., Orlando, L., Tilak, M.-K., Patterson, B. D. and Douzery, E. J. P. (2017). Mitogenomic Phylogeny, Diversification, and Biogeography of South American Spiny Rats. Molecular Biology and Evolution 34(3): 613-633.

Noble, Elizabeth, McKeown, Simon and Sechrest, Wes. (2011). Rediscovery of Santamartamys rufodorsalis (Rodent: Echimyidae). Conservación Colombiana 15: 40-43.

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)]

Patterson, B. and Lacher, T. (2011). Santamartamys rufodorsalis. The IUCN Red List of Threatened Species 2011: e.T6664A12792839. Downloaded on 13 August 2016.

Scheffers, Brett R., Yong, Ding Li, Harris, J. Berton C., Giam, Xingli and Sodhi, Navjot S. (2011). The world’s rediscovered species: back from the brink? PLoS ONE 6(7): e22531. [Supporting Information (Table S1)]

Velazco, Paúl M., Vargas, Laura M. and Ramírez-Chaves, Héctor E. (2017). Santamartamys rufodorsalis (Rodentia: Echimyidae). Mammalian Species 49(948): 63-67. [Abstract]

Woods, C.A.; Kilpatrick, C.W. (2005). "Infraorder Hystricognathi". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1577.


<< Back to the Rodents database