Viscacha rat

Viscacha rats are a group of rodents in the family Octodontidae. All species are found in Argentina. They are placed in the following genera:


 * Genus Octomys
 * O. mimax , mountain viscacha rat, found in the Andes
 * Genus Pipanacoctomys
 * P. aureus, the golden viscacha rat, found near a salt flat
 * Genus Tympanoctomys (4 species, 3 extant), found in desert shrubland near salt flats
 * T. barrerae, the plains viscacha rat
 * T. kirchnerorum, Kirchner's viscacha rat,
 * T. loschalchalerosorum, the Chalchalero viscacha rat
 * †T. cordubensis