Oligoryzomys arenalis, also known as the sandy colilargo[2] or sandy pygmy rice rat,[1] is a species of rodent in the genus Oligoryzomys of family Cricetidae. It is found in the Andes of Peru at 400 to 2850 m altitude, but may include more than one species.[1]
Zeballos, H., Vivar, E. & Weksler, M. 2008. Oligoryzomys arenalis. In IUCN. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on November 27, 2009.