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, except one species living on plains. They are medium to large-sized rodents, weighing from to , with strong hind legs and large ears and a bushy tail. All species have thick, soft fur, which is considered valuable in some cultures.

species of mammal

species of rodent

Lagidium is a genus of rodents in the family Chinchillidae.

species of rodent

species of mammal

Viscacha or vizcacha (, ) are rodents of two genera (Lagidium and Lagostomus) in the family Chinchillidae. They are native to South America and convergently resemble rabbits.

Lagostomus is a South American genus of rodents in the family Chinchillidae. It contains a single living species, the plains viscacha, and it is the only Holocene genus in the subfamily Lagostominae. It probably only has one extant species; the taxa Lagostomus crassus is probably not valid.

extinct species of chinchilla

species of mammal

Lagostominae is a subfamily of the family Chinchillidae. It contains the genus Lagostomus and two extinct genera, Prolagostomus and Pliolagostomus.