Oligoryzomys chacoensis

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Oligoryzomys chacoensis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Genus: Oligoryzomys
Species: O. chacoensis
Binomial name
Oligoryzomys chacoensis
(Myers and Carleton, 1981)

Oligoryzomys chacoensis, also known as the Chacoan colilargo[2] or Chacoan pygmy rice rat,[1] is a rodent species from South America. It is found in the Gran Chaco region of southeastern Bolivia, southwestern Brazil, Paraguay, and northeastern Argentina.[1] Its karyotype has 2n = 58 and FNa = 74.[3]

It is one of the hosts of the hantavirus serotype Bermejo.


  1. ^ a b c Weksler et al., 2008
  2. ^ Musser and Carleton, 2005
  3. ^ Weksler, M.; Bonvicino, C. R. (2005-01-03). "Taxonomy of pygmy rice rats genus Oligoryzomys Bangs, 1900 (Rodentia, Sigmodontinae) of the Brazilian Cerrado, with the description of two new species" (PDF). Arquivos do Museu Nacional, Rio de Janeiro. 63 (1): 113–130. ISSN 0365-4508. Retrieved 2012-04-22. 

Literature cited[edit]