Rhagomys rufescens (Thomas, 1886)

Brazilian arboreal mouse



Taxonomy & Nomenclature

Synonym/s: Hesperomys rufescens Thomas, 1886 (original combination)


Conservation Status

Last record: 1886 or before (1917?)

Rediscovered in April 2002

IUCN RedList status: Near Threatened



Atlantic forest, Brazil (southeastern)


Biology & Ecology










Original scientific description:

Thomas, Oldfield. (1886). Description of a new Brazilian species of Hesperomys. Ann. Mag. Nat. Hist. 5: 250-251.


Other references:

Cárdenas, Pablo A. Moreno et al. (2021). A new species of Rhagomys (Rodentia, Sigmodontinae) from southeastern Ecuador. Journal of Mammalogy 102(1): 123-138. [Abstract]

Fisher, Diana O. (2011). Trajectories from extinction: where are missing mammals rediscovered? Global Ecology & Biogeography 20: 415-425. [Appendix S1]

Geise, L., Percequillo, A. & Bergallo, H. (2008). Rhagomys rufescens. The IUCN Red List of Threatened Species 2008: e.T19454A8894130. . Downloaded on 18 October 2015.

Musser, G. G. and Carleton, M. D. (2005). Superfamily Muroidea, pp. 894-1531. In: Wilson, D. E. and Reeder, D. A. (eds.). Mammal Species of the World: a geographic and taxonomic reference. Baltimore, Maryland The John Hopkins University Press.

Pardiñas, Ulyses F. J. et al. (2022). Morphological disparity in a hyperdiverse mammal clade: a new morphotype and tribe of Neotropical cricetids. Zoological Journal of the Linnean Society.

Passamani, Marcelo, Cerboncini, Ricardo Augusto Serpa and de Oliveira, José Everaldo. (2011). Distribution extension of Phaenomys ferrugineus (Thomas, 1894), and new data on Abrawayaomys ruschii Cunha and Cruz, 1979 and Rhagomys rufescens (Thomas, 1886), three rare species of rodents (Rodentia: Cricetidae) in Minas Gerais, Brazil. Check List 7(6): 827-831.

Percequillo, A. R., Gonçalves, P. R. and Oliveira, J. A. de. (2004). The rediscovery of Rhagomys rufescens (Thomas, 1886), with a morphological redescription and comments on its systematic relationships based on morphological and molecular (cytochrome b) characters. Mammalian Biology 69(4): 238-257.

Pinheiro, Paula S., Hartmann, Paulo A. and Geise, Lena. (2004). New record of Rhagomys rufescens (Thomas, 1886) (Rodentia: Muridae: Sigmodontinae) in the Atlantic forest of southeastern Brazil. Zootaxa 431: 1-11. [Abstract]

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)]

Steiner-Souza, Francisco et al. (2008). New records of Rhagomys rufescens (Rodentia: Sigmodontinae) in the Atlantic forest of Brazil. Zootaxa 1824: 28-34.

Thomas, Oldfield. (1917). On the arrangement of the South American rats allied to the Oryzomys and Rhipidomys. Ann. Mag. Nat. Hist. 8: 198-200.


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