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Oligoryzomys chacoensis
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Cricetidae
Subfamily:	Sigmodontinae
Genus:	Oligoryzomys
Species:	O. chacoensis
Binomial name
Oligoryzomys chacoensis (Myers & Carleton, 1981)

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

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

References

1. ^ 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. Archived from the original (PDF) on 2012-03-26. Retrieved 2012-04-22.

Literature cited

• Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1140. ISBN 978-0-8018-8221-0. OCLC 62265494.
• Weksler, M., Bonvicino, C., Pardinas, U., Teta, P., Jayat, J.P. and D'Elia, G. 2008. Oligoryzomys chacoensis. In IUCN. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on November 27, 2009.

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• IUCN Red List least concern species
• Oligoryzomys
• Mammals of Argentina
• Mammals of Bolivia
• Rodents of Brazil
• Mammals of Paraguay
• Gran Chaco
• Mammals described in 1981
• Taxa named by Michael D. Carleton
• Sigmodontinae stubs