Eremoryzomys
Eremoryzomys polius, also known as the gray rice rat or the Marañon oryzomys, is a rodent species in the tribe Oryzomyini of the family Cricetidae. Discovered in 1912, it was first described in 1913 by Wilfred Osgood. It has a limited distribution in the dry upper valley of the Maraña River in central Peru.
