''Lagostomus'' is a South American genus of

rodents Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are nat ...

in the family

Chinchillidae The family Chinchillidae is in the order Rodentia and consists of the chinchillas, the viscachas, and their fossil relatives. This family is restricted to southern and western South America, mostly living in mountainous regions of the Andes but ...

. It contains a single living species, the plains viscacha, and it is the only

Holocene The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene togethe ...

genus in the subfamily

Lagostominae Lagostominae is a subfamily of the family Chinchillidae. It contains the genus ''Lagostomus ''Lagostomus'' is a South American genus of rodents in the family Chinchillidae. It contains a single living species, the plains viscacha, and it is ...

References

Chinchillidae Rodent genera Mammal genera with one living species Taxa named by Joshua Brookes Taxa named by Johann Rudolph Rengger Taxonomy articles created by Polbot {{Rodent-stub