Oligoryzomys chacoensis
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.- Weksler, M., Bonvicino, C., Pardinas, U., Teta, P., Jayat, J.P. and D'Elia, G. 2008.. In IUCN. IUCN Red List of Threatened Species. Version 2009.2. <>. Downloaded on November 27, 2009.
